Active Autowerke Following the famed BMW E46 M3 CSL headers, each individual header runner of the Active Autowerke header is cut to a matched equal length to ensure a consistent exhaust scavenging (tolerance in lengths vary by bends to a mean average of 10-20mm). Price: $899.00 aFe Power ...
Active Autowerke Level 1 Gen. 3Supercharger Kit Powerchip ECU upgrade Magnaflow 2.5” catback titanium exhaust system Nitrous Express nitrous system (75 HP) Sun Auto voltage stabilizer kit & hyperground kit DEFI boost & EGT gauges in custom A-pillar gaugepod SUSPENSION KW Variant 3 coilover su...