ApexBuilt High-Flow Catted Downpipe || B58 (F-Gen)

• Industry-leading build quality.
• Perfect fitment, guaranteed.
• Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note.
• 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-welding T304 stainless steel construction, assembled by hand in Naples FL.
• Lifetime warranty.

Fitment:

• 2016-2018 M240i
• 2016-2018 340i
• 2016-2019 440i

OFFROAD/RACE USE ONLY