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Message: <blockquote data-quote="desertheat" data-source="post: 3349382" data-attributes="member: 557169">hehehe yep totally stock exhaust from the s-pipe back....The s-pipe itself is a 3" custom made with 3" QTP electronic exhaust diverter to a straight pipe. So when cruising the car is quiet as oem with a ton more power of course... Open up the exhast diverter to a straight pipe just below the downpipe of the turbo and good lord... efficiency goes through the roof, so much is freed up, I see almost a 2 psi gain and the dyno shows +28whp gain.I am not into the fart can sound. The diverter open sounds soooo freakin throaty and mean. LOVE IT!</blockquote>

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