Whisper Biscuit / Big Mo Exhaust Mounting Hareware:Biscuit Only Upgrade Kit Includes: BMP spring

Upgrade Kit Includes: BMP spring cup & torsion spring

The problem is how sensitive the E-Tec motor is to heat

this blow-off valve is engineered to hold massive boost pressure while venting directly to the atmosphere—giving you that signature

its way quicker in tight twisty trails as the clutches upshift and backshift faster and smoother

this BOV vents excess boost pressure directly to the atmosphere when you lift off the throttle

Whisper Biscuit / Big Mo Exhaust Mounting Hareware:Biscuit Only Upgrade Kit Includes: BMP springNoise reducing disc for Big Mo Exhaust systems Helps reduce DBs on the trail Fits all our Big Mo's, and the X3 and YXZ Full Systems Compatible with our 90 Degree turn outs HERE Compatible with Spark Arrestor HERE Maintain back pressure on N A's with stock tunes Achieves semi anechoic, physical acoustic attenuation through rigid body absorption causing the suppression of longitudinal waves by precise, transverse conversion. THE WHISPER BISCUIT IS MADE