21503210 Kooks X-Pipe with High Flow Cats - C5 Corvette. Add this X-Pipe to your Kooks Header Purchase. This X-Pipe has High Flow Cats and is intended for Street use where allowed by law. X-Pipe is a full 3" and Requires a Full 3" Axle Back Muffler Section. Mate with Kooks Long Tube Headers.
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Fitment: C5 Corvette (1997 - 2004)
Product Note: WILL NOT fit Corvettes with Factory (OEM) 2.5" Over the Axle Pipes (Mufflers)