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  • Kerker

Kerker Chrome 4-into-1 Megaphone Exhaust System - 128-30748

  • Part #: 4306
  • Manufacturer Part #: 128-30748
  • MSRP Price: $883.95
  • Our Price: $839.99 *
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4306
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Overview of Kerker Chrome 4-into-1 Megaphone Exhaust System - 128-30748

  • The original and still the best choice for 70s to 80s in-line fours
  • Increased cornering clearance and horsepower coupled with a lighter system results in unbelievable performance
  • Retains centerstand, oil and drain access
  • Electrostatically applied Ceramicoat 2500
  • Includes street type baffle
  • Some carburetor re-jetting may be required

Included Items:
(1) 4 into 1 head pipe
(1) Muffler w/removable baffle
(1) Centerstand stop
(3) Mount straps
(2) Rubber grommets
(1) #72 T-Bolt camp
(1) 5/16 x 1-1/4 in. Hexhead bolt
(1) 5/16 in. Flat washer
(1) 5/16 in. Nyloc nut
(1) 12mm-1.25 x 20mm Hexhead bolts
(1) 12mm Nyloc nut
(1) 3/8 x 2-1/4 in. Hexhead bolt
(1) 3/8 in. Flat washer
(1) 3/8 in. Nyloc nut

Note: Exhaust gaskets are not included but are recommended every time a new system is installed. This system requires four of our part #26-1061

Note: For Honda CB750K 1969-78 the right-hand (when sitting on the bike) rear footpeg must be removed

Not all products are legal for sale or use on pollution controlled vehicles. Check your local laws and the manufacturers information.

Installation of a new exhaust system may change your motorcycles fuel-air mixture. Please consult the exhaust manufacturer directly with questions regarding any modifications that may be made during, or after, installing their product. If a jet kit or Power Commander is recommended, see the Intake/Fuel section.

Exhaust discoloration (bluing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing, therefore is not covered by any warranty. See Chems/Lubes section for products to help remove or prevent exhaust discoloration.

Specs

Finish Chrome
Style Megaphone Muffler
Type 4-Into-1 System
Units Each
Weight 20.37 lbs

Specs for Kerker Chrome 4-into-1 Megaphone Exhaust System - 128-30748

Finish Chrome
Style Megaphone Muffler
Type 4-Into-1 System
Units Each
Weight 20.37 lbs

Fitment for Kerker Chrome 4-into-1 Megaphone Exhaust System - 128-30748

Part 4306 fits the following machines

See if this part fits your ride

Honda
1978 Honda CB750F Super Sport
1977 Honda CB750F Super Sport
1976 Honda CB750F Super Sport
1975 Honda CB750F Super Sport
1978 Honda CB750K
1977 Honda CB750K
1976 Honda CB750K
1975 Honda CB750K
1974 Honda CB750K
1973 Honda CB750K
1972 Honda CB750K
1971 Honda CB750K
1970 Honda CB750K
1969 Honda CB750K

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Instructions and Media for Kerker Chrome 4-into-1 Megaphone Exhaust System - 128-30748

Instructions - PDF Instructions - PDF Instructional PDF