ApexBuilt® BMW G-Chassis M550i/M850i/750i/X5 & X7 M50i Race Downpipes (N63B, 2018+)
ApexBuilt® BMW G-Chassis M50i (N63B) 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 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.
These these parts are for OFF ROAD / RACE USE ONLY. We advise you to run a tune on your vehicle for best results.