Active Autowerke BMW Sport Headers (11-009) Oversized Excellent ride quality

Excellent ride quality

Typical results are around 400HP (wheel) at under 500' elevation and below 75 degrees F

This air intake system was developed to accommodate the engines factory emissions control devices including the mass air flow sensor and breather hoses

Perfect for your vehicle and lifestyle

Active Autowerke BMW Sport Headers (11-009) Oversized Excellent ride qualityThe Active Autowerke BMW Sport Headers (11 009) replace the restrictive factory headers on BMW E46 325i and 330i models to enhance exhaust flow and performance. The stock E46 headers feature integrated catalysts located close to the cylinder head, which generate excessive heat and restrict exhaust gas flow by combining cylinders one through three and four through six into single pipes, creating a bottleneck that limits power output. This performance