Upgrade to the MAD BMW S58 downpipes to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipes, your turbos can now spool faster and achieve maximum power. As a bonus, your car will sound a lot nicer as well.
Expect up to a 30HP increase on a tuned BMW S58 with stock turbos, even more on cars with upgraded turbos.
The heat will expand/weaken the pipes, while with engine movement, the flex pipe will help reduce the stress on that red hot expanded/weakened pipes.
Features:
Compatible with right-hand drive and left-hand drive vehicles
Smooth bends for maximum airflow without any drone
Up to 30HP increase on the stock turbos, even more on upgraded turbos
Lifetime warranty on defects and fitment
90 day return period
All orders ship in 1-2 business days
Spot on fitment
Flex section
The suggested retail price is $509
Fitment:
2014+ BMW M3
2015+ BMW M4
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Return Policy
Return or exchange any item with original purchase receipt within 30 days as NEW requires that item must be in original condition and packaging, unopened and uninstalled, including all original materials supplied with the item. Returns that do not meet these criteria will be denied. Items returned for warranty may be exchanged or refunded or credited at our discretion. Credit will be issued to the same card used for purchase.
For return inquiries please email to info@westtuned.com
Non-Returnable Items
The list below provides a high-level list of merchandise that is classified as non-returnable per our Return Policy.Some parts may be denied return because they share the same categorization as their electrical counterparts denial and process the return. This list represents most but not necessarily all of the non-returnable parts; - Including but not limited to MHD & BM3 Licenses , Custom Software Calibration files , SALE items. Also please review the manufacturer return policy before your purchase.
Warranty Returns
Westprf.com is not responsible for any warranty returns/exchange .Please refer to Manufacturers Warranty Policy for purchased item.
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