ApexBuilt® BMW F/G-Chassis B48 GESI High-Flow Catted Downpipe (2018+)
ApexBuilt® BMW F/G-Chassis B48 GESI High-Flow Catted Downpipes offer...
• Industry-leading build quality.
• No check engine light or other emissions related error codes, guaranteed.
• Perfect fitment, guaranteed.
• Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note versus OEM.
• Estimated gains of 15-20+ wheel horsepower and 30-35+ TQ when installed on a vehicle that is not tuned.
• Estimated gains of 30+ HP and 40+ 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.