ApexBuilt High-Flow Catted Downpipe || B58 (F-Gen)
$1,349.99
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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
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