these terrifying moments during braking are a thing of the past

* Includes speaker mounting rounds

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GG friction rated

8-1/2" long and weighs just 4-1/2 oz

GPR Exhaust - Trioval Full Line for Yamaha XT 660 X-R - 2004 to 2014 Muffler with:dB Killer-Catalyst these terrifying moments during brakingGPR'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