Dennis Kirk Inc.
Search Within
Ride Search
Top 3 Product Matches

ATV Slip-On Muffler - 678501

  • Part #:
  • Mfg Part #:
1 / 1

ATV Slip-On Muffler - 678501

  • Part #:
  • Mfg Part #:
MSRP: $263.99

Price: $234.88 11% off!
Make sure this fits your ride
Ships Free
Ships In 4-5 Business Days

Quadboss ATV Slip-On Muffler - 678501

Steel muffler with black finish can be directly installed on OEM pipes with its special coupler - no gaskets needed!

  • Galvanized main tube
  • All internal parts are fully welded
  • All built with spark arrestor
  • As quiet as the OEM silencer
  • Slip-on only
  • One-year manufacturer's warranty 
  • Made in North America

California law generally prohibits the sale and installation of aftermarket exhaust products UNLESS such products are installed on vehicles that did not come originally equipped with catalytic converters or are used only for racing and are never used upon a California highway.

Included Items:

(1) Black steel ATV Slip-On muffler

(1) Black steel spark arrestor

(1) 1/4"-20 x 1/2" Socket cap head bolt


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.

Color Black
Mfg #: 678501
Part #: 4409117
Style Canister Muffler
Type Muffler/Silencer w/Spark Arrestor
Units Each
Weight 10.10 lbs
Resources & Manuals
Fitment for Quadboss ATV Slip-On Muffler - 678501

Part 4409117 fits the following machines

  • TRX350 FourTrax 4x4 1986-1987
  • TRX350D FourTrax Foreman 4x4 1987-1989
Reviews & Questions
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!
There are no reviews for this item. Write Review