Universal Aluminum Racing Series Slip-Ons are the ultimate 4” external disc-based exhaust performance upgrade for your bike, quad or any number of unique applications! The Brushed Aluminum canister, steel core and high tech packing deliver a sweet ride every time. They utilize our patented Tunable Disc Technology.
Utilizing the tunable discs coupled with a Closed End Cap serve as an Integrated U.S. Forest Service approved spark arrestor for endless hours of safe riding. A completely rebuildable core and packing to simplify your maintenance while saving you time and money.
Aluminum Racing Series Slip-Ons with a Brushed Aluminum Finish (412/422 numbers) are available in a 12” length with a 1.50”(38.1mm), 1.75”(44.5mm), 2.00”(50.8mm) or 2.50”(63.5mm) inlet diameter (ID). All models include tri-brackets to weld on.
Add 4” race discs to increase horsepower, exhaust tone and flow.
Subtract 4” race discs to reduce sound and increase low-end torque.