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Yoshimura RS9 Aluminum Exhaust System - 121200H320

  • Part #:
    4407151
  • Manufacturer Part #:
    121200H320

MSRP Price: $395.00

Our Price: $355.50

You Save:
$39.50 (10%)
1 on Hand

Overview of Yoshimura RS9 Aluminum Exhaust System - 121200H320

  • RS9s parallelogram-shaped muffler body increases muffler volume over the stock system, resulting in better throttle response and improved noise cancellation
  • RS9 not only makes more power and torque possible, but does it more quietly than single systems
  • Stainless header and aluminum muffler sleeve
  • The uniquely sculpted Carbon Fiber end-caps feature a Turnable Insert System, able to fine-tune power delivery and decibel levels to rider specifications
  • AMA Pro and Amateur Sound Legal


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.

Included Items:
(1) Aluminum muffler wtih carbon fiber endcap, stainless steel mid-piipe and removable baffles
(1) Stainless steel head pipe
(1) 8mm-1.25 x 55mm flange hex head bolt
(1) 8mm-1.25 x 30mm flange hex head bolt
(2) Aluminum spacers
(1) 8mm large flat washer
(1) Rubber grommet
(2) Springs (1 installed)
(1) 3mm allen wrench
(1) Spring puller tool
Instructions

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Specs for Yoshimura RS9 Aluminum Exhaust System - 121200H320

Color - Primary Silver
Style Canister Muffler
Type Complete System w/Spark Arrestor
Units Each
Weight 9.25 lbs

Specs for Yoshimura RS9 Aluminum Exhaust System - 121200H320

Color - Primary Silver
Style Canister Muffler
Type Complete System w/Spark Arrestor
Units Each
Weight 9.25 lbs

Fitment for Yoshimura RS9 Aluminum Exhaust System - 121200H320

See if this part fits your ride

Part 4407151 fits the following machines

Honda
  • 2015 Honda Grom125
  • 2014 Honda Grom125
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Instructions and Manuals for Yoshimura RS9 Aluminum Exhaust System - 121200H320