Our 2015-2021 BMW F87 M2 (Comp) / F80 M3/ F82/3 M4 S55 Down Pipes are made from the same mandrel bent Polished, Fully TIG welded T-304 Stainless Steel with CNC Machined Flanges like all of our Exhaust products and feature our Limited Lifetime warranty. Our S55 Downpipes are 3″ diameter and then transition into 2.5″ diameter piping. For peace of mind we have added a Stainless Steel Bellows”Flex pipe” to our down pipe. The 2015-20201 BMW F87 M2 (comp) F80 M3/ F82/3 M4 S55 Stainless Steel Down Pipes features: * 12-16 WHP / 15-19 ft/lb torque Increase (Tune Numbers available soon) * Limited Lifetime Warranty ***This product is intended to be used only on racing vehicles on closed courses, and not for use on roads or vehicles otherwise subject to emission control requirements*** *Please note this product is made to order and build time takes about 3-4 weeks after placing order.*
