M4 Exhaust Slip On Cat. Elim Yamaha YZF-R1 07-08
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Graves Motorsports LINK Cat Back Slip-on Titanium Exhaust System for the 2007-2008 Yamaha R1 with carbon fiber canisters. GMS LINK Exhaust systems are designed for the elite rider seeking top of the line performance, fit, finish and value. This R1 exhaust system was developed using the same technology that has powered Monster Energy Graves Yamaha rider Josh Hayes to 3 consecutive AMA Superbike championships.
Cat Back - PCV is not needed with the cat back = Leave the stock Lambda in place. Does not affect the standard emissions system