Graves Motorsports Yamaha R1 Titanium Cat Eliminator Slip-On Exhaust System. The Graves 07-08 R1 Cat-Elim Motorcycle Exhaust is handcrafted in the USA. The Graves Motorsports Cat. Elim Slip-On exhaust system features mandrel bent titanium tubing with your choice of Carbon Fiber or Titanium Silencers. Graves Silencers feature conical Titanium endcaps. Select from "Carbon" or "Titanium" silencers and "Standard" end caps or our "Polished" Showstopper end caps from the pull down menu when ordering.
This R1 Exhaust features an O2 Sensor Bung (includes plug) for use with the stock Yamaha O7-08 Sensor. This system removes the stock catalytic converters and mufflers but retains the stock header and EXUP valve. This is the must have exhaust system for someone not wishing to replace the entire header system but gain performance and looks over your stock Yamaha R1 setup.
Horsepower
Graves Cat Eliminator Slip-On Exhaust System = 166.0 hp (+9.4 hp)
Stock Exhaust System = 156.6 hp
Fitment: Yamaha R1 2007-2008
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