Evolution Exhaust - Carbon Fiber - YZF-R1 - Designed for riders that demand maximum performance from their motorcycle - Significantly lighter compared to the stock exhaust system and features exceptional production quality, hi-tech materials, and of course increased engine performance - Pure racing sound output - Different than the standard Evolution system - Headers include crossover and feature a different layout for a bigger race radiator - Link pipe does not contain fixing points for stock heat shield - Mufflers do not include db killers - Heat shields on the mufflers are made for racing - Mufflers do not accept stock heat shields - Cannot be mounted with stock fairings

4" Quiet End Cap - Billet - 1-1/2" - Quiet Core and Quiet Tips inserts produce a more subdued exhaust note - End caps offered in a variety of sizes to allow fine-tuning of power delivery for different types of riding and terrain