GPR Exhaust - Trioval Slip-On for Yamaha YZF 1000 R1 - 1998 to 2001 Muffler with:dB Killer-Link Pipe Kits include piston

Kits include piston

they have attained TS16949

77 CFM(Cubic feet per minute) @1

High Light Transmission Optic Lens

we determined that it was not much of a spring

GPR Exhaust - Trioval Slip-On for Yamaha YZF 1000 R1 - 1998 to 2001 Muffler with:dB Killer-Link Pipe Kits include pistonGPR's Trioval series is a GPR best seller, with a classic ovoid drop shape. It is made of hand polished 304 stainless steel and has a diameter of 100mm. Product Features SOUND: Upgraded sound from stock exhaust. Although louder than stock but in compliance with the limits prescribed by law, this exhaust produces the softest sound of all the GPR exhausts. PERFORMANCE: Upgraded performance from stock exhaust QUALITY: Italian made with high grade welding