ApexBuilt® BMW G87 M2, G80 M3, & G82/G83 M4 EU5 High-Flow Catted Downpipes (S58, 2021+)
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ApexBuilt® BMW G87 M2, G80 M3, & G82/G83 M4 EU5 High-Flow Catted Downpipes (S58, 2021+)

$1,699.99
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ApexBuilt

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ApexBuilt® BMW G8X M2/M3/M4 EU5 High-Flow Catted Downpipes offer... • No check engine light on factory-tuned vehicles.  • 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. • EPA approved GESI GEN2 UHO metal-core 400cpsi 4.5" cats, rated for 500-800hp applications & road legal in 49 states.  • Lifetime warranty. PLEASE NOTE: These downpipes do not use EPA-compliant GESI catalysts. As a cost-effective alternative to our GESI catted variant, these downpipes instead utilize three-way, EURO5 rated, 400-cell catalysts.  We cannot guarantee catalyst inefficiency related codes (CEL) w

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