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Kooks puts in over 45+ years of race-winning experience into each header system they produce. Kook Headers yield the largest gain in horsepower out of any other header company. Dyno gains of over 30hp have been reported and the exhaust note is utter muscle car music to your ears. Primaries are manufactured from 1 3/4 inch mandrel bent T-304 stainless steel with 3/8 inch flanges and 3 inch collectors. Each set comes with merge collectors and the appropriate O2 sensor extension harness. Kooks also offers a 1 7/8 inch or 2 inch primaries option for those with ported heads, cam and/or forced induction looking for the extra flow of a larger primary tube. Each set of headers comes with the proper hardware required to install them and you have your choice of connection pipes either with or without catalytic converters. Choose from green cats, which are 49 state legal and can be tuned properly to work with rear O2 sensors (and give you even more power) or race cats, for offroad use only and not for use with O2 sensors. Please choose the appropriate year in the selections above. The connection pipes come with a built in X-pipe for smoothing out the flow and sound of your new headers. All connection pipes are made to fit any 2 1/2 inch exhaust system at the end.
For racing and off road applications only. Not legal for sale or use in the state of California, nor in states which have adopted California emissions standards. Check your local laws for emissions regulations. Please do not purchase these if you are having them shipped to California, as we will have to cancel the order.
NOTE: Proper engine tuning may be required to ensure that the headers are properly adapted to your car.
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