GPR Exhaust - Trioval Slip-On for Yamaha FZR 600 - 1990 to 1993 Muffler with:dB Killer-Link Pipe The solid construction consists of

The solid construction consists of a stainless steel base plate that is riveted to an anodized aluminum cover

875` bolt up pattern

Airflow Gain: +190

The addition of this high quality part will increase the oil flow by 40%

Thin socket measures only 9/32" deep by 5/8" tall

GPR Exhaust - Trioval Slip-On for Yamaha FZR 600 - 1990 to 1993 Muffler with:dB Killer-Link Pipe The solid construction consists ofGPR'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