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FMF Powercore S Dual Oval Slip-On Mufflers w/Bronze Titanium Muffler Sleeves 449125
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Was: $712.99
Now: $534.74

FMF Powercore S Dual Oval Slip-On Mufflers w/Bronze Titanium Muffler Sleeves 449125
Dennis Kirk Part #: 449125
FMF Powercore S Dual Oval Slip-On Mufflers w/Bronze Titanium Muffler Sleeves 449125: Manufacturer part # 041074 - PowerCoreS mufflers are computer designed then dyno and rider tested for every application. All of these mufflers have a square, perforated stainless steel inner core which provides optimum flow and an authoritative sound thanks to FMF's Hi-Flo technology. Features double-articulated stainless steel attachment springs, polished, stainless steel turndown end caps with rolled edges, and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid pipe and premium packing material - perforated-steel square-core internal adds durability. Dual oval muffler bodies with round end caps. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 041074


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More Info/Options for FMF Powercore S Dual Oval Slip-On Mufflers w/Bronze Titanium Muffler Sleeves 449125
FMF Powercore S Dual Oval Slip-On Muffler with Natural Titanium Muffler Sleeves 449571
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Was: $712.99
Now: $534.74

FMF Powercore S Dual Oval Slip-On Muffler with Natural Titanium Muffler Sleeves 449571
Dennis Kirk Part #: 449571
FMF Powercore S Dual Oval Slip-On Muffler with Natural Titanium Muffler Sleeves 449571: Manufacturer part # 044100 - Features double-articulated stainless steel attachment springs, polished, stainless steel turndown end caps with rolled edges, and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid pipe and premium packing material - perforated-steel square-core internal adds durability. Oval muffler bodies, round end caps. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration. 044100


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More Info/Options for FMF Powercore S Dual Oval Slip-On Muffler with Natural Titanium Muffler Sleeves 449571
FMF Powercore S Oval Slip-On Muffler with Blue Titanium Muffler Sleeve  431944
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Was: $408.99
Now: $306.74

FMF Powercore S Oval Slip-On Muffler with Blue Titanium Muffler Sleeve 431944
Dennis Kirk Part #: 431944
FMF Powercore S Oval Slip-On Muffler with Blue Titanium Muffler Sleeve 431944: Manufacturer part # 041185 - Muffler boosts power and response across the rpm range without any loss of off-idle performance. Features double-articulated stainless steel attachment springs; polished, stainless steel turndown end caps with rolled edges; and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid-pipe and premium packing material. Perforated-steel square-core internal adds durability. Oval muffler body with round end cap. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 041185


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More Info/Options for FMF Powercore S Oval Slip-On Muffler with Blue Titanium Muffler Sleeve 431944
FMF Powercore S Oval Slip-on Muffler with Gold Titanium Muffler Sleeve  448850
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Was: $408.99
Now: $306.74

FMF Powercore S Oval Slip-on Muffler with Gold Titanium Muffler Sleeve 448850
Dennis Kirk Part #: 448850
FMF Powercore S Oval Slip-on Muffler with Gold Titanium Muffler Sleeve 448850: Manufacturer part # 041059 - Super-lightweight with titanium canister and mid-pipe, yet sturdy where it counts with a perforated-steel square-core internal and special premium packing material. Oval-to-round canister design provides better cornering clearance and exhaust evacuation. Double-articulated stainless steel attachment springs; polished, stainless steel turndown end cap with rolled edge; and stainless steel die-cut logo. Boosts response across the rpm range with no loss of off-idle performance; provides perfect performance characteristics for the above-average, aspiring street rider. No special jetting needed. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 041059


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More Info/Options for FMF Powercore S Oval Slip-on Muffler with Gold Titanium Muffler Sleeve 448850
FMF Powercore S Slip-On Muffler w/Bronze Titanium Muffler Sleeve  431945
CLOSEOUT!
Was: $408.99
Now: $306.74

FMF Powercore S Slip-On Muffler w/Bronze Titanium Muffler Sleeve 431945
Dennis Kirk Part #: 431945
FMF Powercore S Slip-On Muffler w/Bronze Titanium Muffler Sleeve 431945: Manufacturer part # 041186 - Muffler boosts power and response across the rpm range without any loss of off-idle performance. Features double-articulated stainless steel attachment springs; polished, stainless steel turndown end caps with rolled edges; and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid-pipe and premium packing material. Perforated-steel square-core internal adds durability. Oval muffler body with round end cap. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 041186


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More Info/Options for FMF Powercore S Slip-On Muffler w/Bronze Titanium Muffler Sleeve 431945
FMF Powercore S Dual Oval Slip-On Mufflers w/Blue Titanium Muffler Sleeves 449124
$712.99 FMF Powercore S Dual Oval Slip-On Mufflers w/Blue Titanium Muffler Sleeves 449124
Dennis Kirk Part #: 449124
FMF Powercore S Dual Oval Slip-On Mufflers w/Blue Titanium Muffler Sleeves 449124: Manufacturer part # 041073 - PowerCore S mufflers are computer designed then dyno and rider tested for every application. All of these mufflers have a square, perforated stainless steel inner core which provides optimum flow and an authoritative sound thanks to FMF's Hi-Flo technology. Features double-articulated stainless steel attachment springs, polished, stainless steel turndown end caps with rolled edges, and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid pipe and premium packing material - perforated-steel square-core internal adds durability. Dual oval muffler bodies with round end caps. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration. 041073


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More Info/Options for FMF Powercore S Dual Oval Slip-On Mufflers w/Blue Titanium Muffler Sleeves 449124
FMF Powercore S Oval Bolt-On Muffler w/Natural Titanium Muffler Sleeve 448531
$379.99 FMF Powercore S Oval Bolt-On Muffler w/Natural Titanium Muffler Sleeve 448531
Dennis Kirk Part #: 448531
FMF Powercore S Oval Bolt-On Muffler w/Natural Titanium Muffler Sleeve 448531: Manufacturer part # 042006 - Slip-on and bolt-on mufflers boost power and response across the rpm range without any loss of off-idle performance. All feature double-articulated stainless steel attachment springs; polished, stainless steel turndown end caps with rolled edges and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid pipe and premium packing material; perforated-steel square-core internal adds durability. Oval muffler body with round end cap. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 042006


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More Info/Options for FMF Powercore S Oval Bolt-On Muffler w/Natural Titanium Muffler Sleeve 448531
FMF Powercore S Bolt-On Muffler with Gold Titanium Muffler Sleeve 448822
$379.99 FMF Powercore S Bolt-On Muffler with Gold Titanium Muffler Sleeve 448822
Dennis Kirk Part #: 448822
FMF Powercore S Bolt-On Muffler with Gold Titanium Muffler Sleeve 448822: Manufacturer part # 043032 - Super-lightweight with titanium canister and mid-pipe, yet sturdy where it counts with a perforated-steel square-core internal and special premium packing material. Oval-to-round canister design provides better cornering clearance and exhaust evacuation. Double-articulated stainless steel attachment springs; polished, stainless steel turndown end cap with rolled edge; and stainless steel die-cut logo. Boosts response across the rpm range with no loss of off-idle performance; provides perfect performance characteristics for the above-average, aspiring street rider. No special jetting needed. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 043032


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More Info/Options for FMF Powercore S Bolt-On Muffler with Gold Titanium Muffler Sleeve 448822
FMF Powercore S Oval 2 into 1 Exhaust System with Natural Titanium Muffler Sleeve 449755
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Was: $712.99
Now: $534.74

FMF Powercore S Oval 2 into 1 Exhaust System with Natural Titanium Muffler Sleeve 449755
Dennis Kirk Part #: 449755
FMF Powercore S Oval 2 into 1 Exhaust System with Natural Titanium Muffler Sleeve 449755: Manufacturer part # 043044 - PowerCore S mufflers are computer designed then dyno and rider tested for every application. All of these mufflers have a square, perforated stainless steel inner core which provides optimum flow and an authoritative sound thanks to FMF's Hi-Flo technology. Features double-articulated stainless steel attachment springs, polished, stainless steel turndown end caps with rolled edges, and stainless die-cut logos. The oval to round design provides optimum silencer volume combined with an exclusive Hi-Flo square core to produce it?s own unique sound. Internal square core uses Hi-Flo technology. Computer designed and dyno tested for every application. Substantial power gains over standard systems. FMF?s exclusive cross weave, multi-element muffler packing provides longevity and maximum sound disbursement. Modular end cap allows for a quick repack for optimum performance. Super-lightweight anodized titanium mufflers feature a titanium mid pipe and premium packing material - perforated-steel square-core internal adds durability. , , NOTE: Installation of a new exhaust system may change your motorcycle's fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available, , NOTE: Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration. 043044


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More Info/Options for FMF Powercore S Oval 2 into 1 Exhaust System with Natural Titanium Muffler Sleeve 449755
FMF Quiet Inserts for Titanium Powercore S Slip-Ons/Bolt-Ons 449759
$27.99 FMF Quiet Inserts for Titanium Powercore S Slip-Ons/Bolt-Ons 449759
Dennis Kirk Part #: 449759
FMF Quiet Inserts for Titanium Powercore S Slip-Ons/Bolt-Ons 449759: Manufacturer part # 040237 - Tone down the roar, yet keep the performance. Maintain that deep, throaty growl without the volume.. 040237


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More Info/Options for FMF Quiet Inserts for Titanium Powercore S Slip-Ons/Bolt-Ons 449759
FMF Powercore S Bolt-on Muffler w/Aluminum Muffler Sleeve 448579
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Was: $312.99
Now: $234.74

FMF Powercore S Bolt-on Muffler w/Aluminum Muffler Sleeve 448579
Dennis Kirk Part #: 448579
FMF Powercore S Bolt-on Muffler w/Aluminum Muffler Sleeve 448579: Manufacturer part # 043025 - Bolt-on mufflers boost power and response across the rpm range without any loss of off-idle performance. All feature double-articulated stainless steel attachment springs; polished, stainless steel turndown end caps with rolled edges and stainless die-cut logos. Aluminum mufflers feature a clear anodized finish and bright stainless lead pipe; reduce weight over stock at an affordable price. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 043025


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More Info/Options for FMF Powercore S Bolt-on Muffler w/Aluminum Muffler Sleeve 448579
FMF Powercore S Oval Bronze 2 into 1Exhaust System with Bronze Titanium Muffler Sleeve 449757
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Was: $712.99
Now: $534.74

FMF Powercore S Oval Bronze 2 into 1Exhaust System with Bronze Titanium Muffler Sleeve 449757
Dennis Kirk Part #: 449757
FMF Powercore S Oval Bronze 2 into 1Exhaust System with Bronze Titanium Muffler Sleeve 449757: Manufacturer part # 043046 - Features double-articulated stainless steel attachment springs, polished, stainless steel turndown end caps with rolled edges, and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid pipe and premium packing material - perforated-steel square-core internal adds durability. , , NOTE: Installation of a new exhaust system may change your motorcycle's fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available, , NOTE: Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration. 043046


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More Info/Options for FMF Powercore S Oval Bronze 2 into 1Exhaust System with Bronze Titanium Muffler Sleeve 449757
FMF Powercore S Dual Oval Slip-On Mufflers w/Natural Titanium Muffler Sleeves 449123
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Was: $712.99
Now: $534.74

FMF Powercore S Dual Oval Slip-On Mufflers w/Natural Titanium Muffler Sleeves 449123
Dennis Kirk Part #: 449123
FMF Powercore S Dual Oval Slip-On Mufflers w/Natural Titanium Muffler Sleeves 449123: Manufacturer part # 041072 - PowerCoreS mufflers are computer designed then dyno and rider tested for every application. All of these mufflers have a square, perforated stainless steel inner core which provides optimum flow and an authoritative sound thanks to FMF's Hi-Flo technology. Features double-articulated stainless steel attachment springs, polished, stainless steel turndown end caps with rolled edges, and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid pipe and premium packing material - perforated-steel square-core internal adds durability. Dual oval muffler bodies with round end caps. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 041072


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More Info/Options for FMF Powercore S Dual Oval Slip-On Mufflers w/Natural Titanium Muffler Sleeves 449123
FMF Powercore S Oval Slip-On Muffler w/Natural Titanium Muffler Sleeve 4401714
$426.99 FMF Powercore S Oval Slip-On Muffler w/Natural Titanium Muffler Sleeve 4401714
Dennis Kirk Part #: 4401714
FMF Powercore S Oval Slip-On Muffler w/Natural Titanium Muffler Sleeve 4401714: Manufacturer part # 042120 - Slip-on mufflers boost power and response across the rpm range without any loss of off-idle performance. All feature double-articulated stainless steel attachment springs; polished, stainless steel turndown end caps with rolled edges; and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid-pipe and premium packing material; perforated-steel square-core internal adds durability; these anodized titanium mufflers are available in natural colors. Included Items. (1) PowerCore-S Muffler. (1) Band Clamp. (1) 8mm x 40mm Bolt. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 042120


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More Info/Options for FMF Powercore S Oval Slip-On Muffler w/Natural Titanium Muffler Sleeve 4401714
FMF Powercore S Dual Oval Slip-On Mufflers with Blue Titanium Muffler Sleeves 449121
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Was: $712.99
Now: $534.74

FMF Powercore S Dual Oval Slip-On Mufflers with Blue Titanium Muffler Sleeves 449121
Dennis Kirk Part #: 449121
FMF Powercore S Dual Oval Slip-On Mufflers with Blue Titanium Muffler Sleeves 449121: Manufacturer part # 043053 - PowerCore S mufflers are computer designed then dyno and rider tested for every application. All of these mufflers have a square, perforated stainless steel inner core which provides optimum flow and an authoritative sound thanks to FMF's Hi-Flo technology. Features double-articulated stainless steel attachment springs, polished, stainless steel turndown end caps with rolled edges, and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid pipe and premium packing material - perforated-steel square-core internal adds durability. Oval muffler bodies with round end caps. . Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration. 043053


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More Info/Options for FMF Powercore S Dual Oval Slip-On Mufflers with Blue Titanium Muffler Sleeves 449121
FMF Powercore S Dual Oval Slip-On Mufflers with Natural Titanium Muffler Sleeves 449120
CLOSEOUT!
Was: $712.99
Now: $534.74

FMF Powercore S Dual Oval Slip-On Mufflers with Natural Titanium Muffler Sleeves 449120
Dennis Kirk Part #: 449120
FMF Powercore S Dual Oval Slip-On Mufflers with Natural Titanium Muffler Sleeves 449120: Manufacturer part # 043052 - PowerCoreS mufflers are computer designed then dyno and rider tested for every application. All of these mufflers have a square, perforated stainless steel inner core which provides optimum flow and an authoritative sound thanks to FMF's Hi-Flo technology. Features double-articulated stainless steel attachment springs, polished, stainless steel turndown end caps with rolled edges, and stainless die-cut logos. Super-lightweight anodized titanium mufflers feature a titanium mid pipe and premium packing material - perforated-steel square-core internal adds durability. Oval muffler bodies with round end caps. . Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 043052


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More Info/Options for FMF Powercore S Dual Oval Slip-On Mufflers with Natural Titanium Muffler Sleeves 449120
FMF Powercore S Oval Slip-on Muffler w/Aluminum Muffler Sleeve  448530
$312.99 FMF Powercore S Oval Slip-on Muffler w/Aluminum Muffler Sleeve 448530
Dennis Kirk Part #: 448530
FMF Powercore S Oval Slip-on Muffler w/Aluminum Muffler Sleeve 448530: Manufacturer part # 041047 - Slip-on mufflers boost power and response across the rpm range without any loss of off-idle performance. All feature double-articulated stainless steel attachment springs; polished, stainless steel turndown end caps with rolled edges and stainless die-cut logos. Aluminum mufflers feature a clear anodized finish and bright stainless lead pipe; reduce weight over stock at an affordable price. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 041047


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More Info/Options for FMF Powercore S Oval Slip-on Muffler w/Aluminum Muffler Sleeve 448530
FMF Powercore S Oval Bolt-On Muffler with Blue Titanium Muffler Sleeve 448851
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Was: $408.99
Now: $306.74

FMF Powercore S Oval Bolt-On Muffler with Blue Titanium Muffler Sleeve 448851
Dennis Kirk Part #: 448851
FMF Powercore S Oval Bolt-On Muffler with Blue Titanium Muffler Sleeve 448851: Manufacturer part # 041060 - Super-lightweight with titanium canister and mid-pipe, yet sturdy where it counts with a perforated-steel square-core internal and special premium packing material. Oval-to-round canister design provides better cornering clearance and exhaust evacuation. Double-articulated stainless steel attachment springs; polished, stainless steel turndown end cap with rolled edge; and stainless steel die-cut logo. Boosts response across the rpm range with no loss of off-idle performance; provides perfect performance characteristics for the above-average, aspiring street rider. No special jetting needed. . Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing; t