ApexBuilt® BMW F97 X3M & F98 X4M Resonated Race Downpipes (S58, 2020+)

$2,013.00 $2,444.00
On Sale from $2,013.00
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ApexBuilt® BMW F97 X3M & F98 X4M Resonated Race Downpipes offer...

• Perfect fitment, guaranteed. 

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

• Estimated gains of 20-25+ wheel horsepower and 40-50+ TQ when installed on a vehicle that is not tuned.

• Estimated gains of 60+ HP and 100+ TQ over stock power levels when paired with an aftermarket ECU tune.

• T304 stainless steel construction 

• Lifetime warranty 

 

PLEASE NOTE:

These these parts are for OFF ROAD / RACE USE ONLY . They are not 50 state legal. Any of our catless race downpipes WILL NOT be sold in, or shipped to, the state of California.

Aftermarket tune and/or DME unlock required to prevent catalytic deficiency codes. 

 

 

 

FAQ

Fitment details & applicable part numbers