Description
To address the problems with the factory manifolds without compromising durability, the stock exhaust catalysts are removed when the Active Autowerke 3-series sports header is installed. Our E46 performance headers are constructed completely from 100% polished 304 stainless steel and the gains produced have been dyno-tested. Be sure to check out our E46 BMW rear exhaust for even more horsepower!
Part Details
recommendation:
Looking for an easy way to watch the performance numbers of your BMW E46 325I 330I climb? It really is a simple solution! Swap the E46's factory header with integrated cats, known to be highly restrictive, for a BMW E46 performance header that is much more free-flowing.
Features
• Creates optimum flow and eliminates restriction
• Suitable for Naturally Aspirated and Force Induction
• Dyno-tested performance gains
• Bolts up to existing factory exhaust system for a precise fit
• Complete mounting hardware
• Suitable for naturally aspirated and supercharged forced induction applications
• 100% 304 stainless steel construction for long life
• Two year warranty with free tech support
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