APEXBUILT Mini-Cat Downpipes BMW F97 X3M & F98 X4M (S58, 2021+)
APEXBUILT Mini-Cat Downpipes BMW F97 X3M & F98 X4M (S58, 2021+)
Regular price
$2,149.99 USD
Regular price
$2,199.99 USD
Sale price
$2,149.99 USD
Unit price
/
per
ApexBuilt® F9X X3M/X4M Downpipes offer...
• No check engine light on factory-tuned vehicles.
• 49 state emissions legal*
• Industry-leading build quality.
• Perfect fitment, guaranteed.
• Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note versus OEM.
• Estimated gains of 20-25+ wheel horsepower and 40-50+ TQ when installed on a vehicle that is not tuned.
• Estimated gains of 45+ HP and 60+ 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.
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