cp-e QKspl Bellmouth Downpipes Catted 3in BMW 335i 2007-2010 / 135i 2008-2010 / 1M 2011 w/ N54

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Exhaust Downpipes and Y-Pipes

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Part #: CPE-BMDP00002T

Eliminating restrictions in the exhaust system is key to increasing efficiency and power. Back pressure causes delayed turbocharger response and is a bottleneck.

cp-e™ cast stainless downpipes have been designed specifically for the n54 motors to reduce back pressure and optimize exhaust flow.

•+12whp +10wtq

CAD designed castings channel the gas from the twin turbos into mandrel bent tubing – as a result there are no harsh bends or transitions restricting flow. Made completely of high grade 304 Stainless steel, the system is strong and durable.

•CAM/CAD Engineering
•Full 304 Stainless construction
•Cast bellmouths for smooth transitions
•Mandrel bent tubing
•Laser cut flanges
•TIG welded
•Made in the USA
•Lifetime Warranty


Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep. The customer will be responsible for all shipping fees. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. All items must be in brand new and resalable condition. Once the item is received it will be inspected and a credit will be issued accordingly. All returns are subject to a 15% restocking fee. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized.

cp-e QKspl Bellmouth Downpipes Catted 3in BMW 335i 2007-2010 / 135i 2008-2010 / 1M 2011 w/ N54
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