Down Pipes provide an optimized path for exhaust gasses.  Catless downpipes are illegal except for offroad use and by placing an order you agree to purchase them for intent to use in legal manner.

We recommend 300 or 400 cell metallic substrate catalysts for 86% of the performance of cat less with 48 state legal performance.

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Downpipes add approximately 30-50 horsepower and are necessary to support high horsepower and boost applications.  They are also preferred for motor sports and off road racing because they provide superior throttle response across the rev range.

Additional information


CLS 53, E 53, GT 53, C63, 212 E63, CLS63, CLS 550, E550, CLS 400, A45, CLA 45, AMG GT C S, CLA200, S550 4.7, GLC 63 s, 213 E63


Racing/Offroad Only, 300 Cell 48 State Legal (CA/NYC Racing Only)


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