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A dyno-proven source of unrestricted power.
It’s simple, really. Swap the factor’s highly-restrictive headers with integrated cats for our ceramic-coated headers with cats below, and watch the performance climb.
To see what we mean, just take a closer look at the factory manifolds:
- The exhaust catalysts are situated right against the cylinder head, causing extreme heat build up
- Cylinders 1-3 and 4-6 each channel through to a single restrictive pipe
- These characteristics create extreme heat thanks to an inherently bottleneck design
Active Autowerke’s Performance Header system is designed to eliminate this problem without compromising durability. The factory exhaust catalysts are removed in the process, making this solution suited only for off-road race applications. Optional low-placement cat units are available to help maintain emission standards, but please consult your area’s regulations and laws before installing these racing exhaust headers.
Off-Road Use Only Designed and recommended for track, off-road & racing purposes only. May not be used on public highways. It is the sole responsibility of the customer to ensure that the use of their vehicle and items purchased complies with federal, state, and local regulations. This Active Autowerke product is not legal for sale or use in California on any pollution-controlled motor vehicle. Performance products are legal only for racing or off-road applications, and race-modified vehicles may never be used on a public highway.
Key Features
-Creates optimum flow and eliminates restriction
-A definite power/performance improver over stock
-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
-304 stainless steel construction for long life
-1300° ceramic coating for low heat & high performance gains
-1 Year Warranty with free tech support  |
BMW 
