ApexBuilt® BMW F/G-Chassis B48 GESI High-Flow Catted Downpipe (2018+)

From $1,299.99
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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.

As of June 6, 2024 – estimated production lead time of 6-8 weeks if product is not in stock 


Fitment supported for the following vehicles:

2021+ BMW G2X 230i
2019+ BMW G20 330i
2017+ BMW G30 530i
2018+ BMW G01 X3 30i
2018+ BMW G02 X4 30i
2019+ BMW G05 X5 30i

*xDrive models also supported