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Kooks Headers GREENCATS are ultra-high performance catalytic converters designed for use with naturally aspirated and forced induction engines up to 900 hp. These catted converters can reliably eliminate 90 percent of emissions-related "check engine light" warnings. Made from high-quality stainless steel in a choice of sizes with different converter attachment options, these GREENCAT catalytic converters by Kooks Headers can easily handle exhaust temps up to 1500 degrees F. Note: Kooks Headers GREENCATS catalytic converters may not be legal for sale, installation, or use in some areas. Check your state and local laws.
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$392.63
$333.74
On Sale
Kooks Headers Race Universal X-pipe kits are available in stainless steel or aluminized mild steel. Used for high-rpm performance and race applications, these versatile kits are ideal for custom exhaust systems or as an add-on to an existing system. They are offered in a wide range of sizes. Note: Kooks Headers universal X-pipes may not be legal for sale, installation, or use in some areas. Check your state and local laws.
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$551.92
$469.13
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Mate your headers to your heads with Kooks header adapter kits. These steel kits include gaskets and hardware for your application. Get the right connection for your Kooks headers with their header adapter kits.
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$299.98
$254.98
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