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["B58","ECS"]
ApexBuilt® BMW F2X/F3X B58 High-Flow Catted Downpipe (2016-19)
ApexBuilt® BMW F-Chassis B58 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.
• HJS 200-Cell cats, 50 state emissions compliance
• Estimated gains of 20-25+ wheel horsepower and 30-35+ TQ when installed on a vehicle that is not tuned.
• Estimated gains of 45+ 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.
Fits the following vehicles*:
2016-18 BMW F2X M240i
2016-18 BMW F3X 340i
*xDrive models also supported.
