The GPR Carbon Oval slip-on mufflers are a popular exhaust upgrade for the 2007–2008 Yamaha R1, adding a sportier sound and saving weight at the rear of the bike. GPR Exhaust Systems is a well-known Italian manufacturer producing fitment-specific performance exhausts for sportsbikes.
Fitment: Yamaha YZF-R1 (2007–2008)
- Single slip-on carbon oval canister — mounts to the OEM underbelly collector
- Lighter than the stock muffler for improved handling balance
- More aggressive, sharper exhaust note suited to the R1 crossplane engine
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