I am installing the Pypes SS Syetem with Street Pro Muffler, they system includer X pipe and cutoit provisions. Pretty easy to install, except 3" tailpipes over rear axle. They hit the rear coilovers. Will need to do some fabrication to get them to stop hitting.Pypes race flow on three cars (3" on two and 3.5 on the other) and I'll put them on the next project as well. Quite-ish when cruising and mean when the foot goes down.
Question: anyone running the Pypes cutouts? Are they dependable over the long haul.
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