BMW G-Chassis N63TU3 GESI High-Flow Catted Downpipes (N63TU3, 2019+)

  ApexBuilt® BMW G-Chassis N63TU3 High-Flow Catted Downpipes offer... • Industry-leading build quality. • Perfect fitment, guaranteed. • Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note versus OEM. • GESI Gen2 UHO cats • Estimated gains of 15-25+ wheel horsepower and 25-30+ TQ when installed on a vehicle that is not tuned. • Estimated gains of 35+ 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 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.