ApexBuilt® BMW F10 M5 & F06/F12/F13 M6 GESI High-Flow Catted Downpipes (S63TU, 2012-17)

ApexBuilt® BMW F10 M5 & F06/F12/F13 M6 Catless Race Downpipes offer... • Industry-leading build quality. • Perfect fitment, guaranteed. • Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note versus OEM. • Estimated gains of 20-30+ wheel horsepower and 55-60+ TQ when installed on a vehicle that is not tuned. • Estimated gains of 65+ HP and 70+ TQ over stock power levels when paired with an aftermarket ECU tune. • TIG-welded T304 stainless steel construction, assembled by hand in Naples FL. • Lifetime warranty.   PLEASE NOTE: These these parts are for OFF ROAD / RACE USE ONLY. We advise you to run a tune on your vehicle for best results. As of June 6, 2024 – estimated production lead time of 6-8 weeks if product is not in stock