ApexBuilt® BMW F01/F06/F10/F15 N55 High-Flow Catted Downpipe (EWG/4")(2013-18)

  ApexBuilt® BMW F01/F06/F10/F15 N55 High-Flow Catted Downpipes (EWG/4")(2013-18) offer... • Industry-leading build quality. • Perfect fitment, guaranteed. • Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note versus OEM. • GESI 100-Cell UHO Gen1 cats, resulting in 49 state emissions compliance • Estimated gains of 20-25+ wheel horsepower and 30-35+ TQ when installed on a vehicle that is not tuned. • Estimated gains of 45+ HP and 50+ TQ over stock power levels when paired with an aftermarket ECU tune. • TIG-welded T304 stainless steel construction, assembled by hand in Fort Myers, Florida. • Lifetime warranty. PLEASE NOTE: These parts are for OFF ROAD / RACE USE ONLY. NOT CARB certified, not street legal in CA. As of June 6, 2024 – estimated production lead time of 6-8 weeks if product is not in stock