ApexBuilt® BMW F10 M5 & F06/F12/F13 M6 GESI High-Flow Catted Downpipes (S63TU, 2012-17)

From $1,849.99
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ApexBuilt® BMW F10 M5 & F06/F12/F13 M6 Catless Race Downpipes offer...

• Industry-leading build quality.

• Perfect fitment, guaranteed.

• Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note versus OEM.

• Estimated gains of 20-30+ wheel horsepower and 55-60+ TQ when installed on a vehicle that is not tuned.

• Estimated gains of 65+ HP and 70+ 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: