VRSF Catted Downpipes - BMW X3M & X4M S58 (2019-22)

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We are proud to introduce our VRSF Catted Downpipes for your F97 & F98 BMW X3M & X4M. These catted downpipes are the best bang for the buck mod available for your S58, with gains f rom 30 whp & 35 wtq as a direct bolt on and gains of up to 60 whp and 100 wtq when paired with a DME remap. By replacing the restrictive catalytic converter in the factory downpipes with our high flow, 200 cell catalytic converter, back pressure is significantly reduced which results in faster spool, an increase in power & a more aggressive exhaust note. Rather than necking down closer to the turbos like most of our competitors, our downpipes feature a smooth mandrel bent design which offers a significant increase in flow. These are hand crafted from 304 grade stainless steel tubing and include a lifetime warranty. Adds up to 60 whp to the wheels & 100 wtq to the wheels when tuned. CAD/CAM optimized 304 grade stainless steel CNC flanges. Hand made from mandrel bent, tig welded 304 grade stainless steel tubing. Smooth radius bends to decrease turbulence and increase flow. Fits RHD and LHD models. VEHICLE FITMENT 2019 – 2022 F97 BMW X3M S582019 – 2022 F98 BMW X4M S58 Show more