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On Sale
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.
Not Yet Reviewed
$392.63
$333.74
On Sale
Kooks Headers long tube headers are heavy-duty and crack-resistant, featuring large diameter stainless steel construction (most applications) with smooth-flowing mandrel-bent tubing. They include gaskets, bolts, and oxygen sensor extensions where required. Also available as kits with connection pipes, depending on the application, Kooks long tube header kits include individual connection pipes, a Y-pipe, X-pipe, or H-pipe to connect to the exhaust system. X-pipes are used primarily for high-rpm performance and race applications. H-pipes create lower end power and are used on street cars for increased performance with a comfortable sound level. These connection pipes are offered in three versions: * Off-road (non-catted) for full track use with no horsepower loss and the loudest exhaust tone * With high-flow catalytic converters; recommended for street driving with little or no horsepower loss and a deeper exhaust tone * With Kooks ultra-high performance GREENCATS catalytic converters; designed for naturally aspirated and forced induction engines up to 900 hp, eliminates most "Check Engine Light" warnings Note: Kooks Headers long tube headers and connection pipes may not be legal for sale, installation, or use in some areas. Check your state and local laws.
( 40 )
$1,951.35
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$2,930.04
$1,658.65
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$2,490.53
On Sale
Kooks Headers offers a variety of exhaust systems designed for specific vehicles. They feature large diameter 304 stainless steel construction with smooth-flowing mandrel-bent tubing for maximum exhaust flow. Among the options are street and OEM-style replacements, or high-rpm performance and race applications. Choose from styles such as header-back, cat-back, rear axle-back, and full-length. Look over the available options and select the model designed for your vehicle. Depending on the system you order, specs/configurations may include: * One or two mufflers, or a muffler-delete system * Muffler style: wrapped perforated core, turbo, perforated tube, glasspack * Components with a natural or polished finish * Single or dual inlet/outlet * Catalytic converter (where applicable) * Intermediate pipe (where applicable) * Tailpipe; different diameters available * Round tip(s), polished or black coated, various styles Some Kooks Headers exhaust systems are offered in one of three versions: * Off-road (non-catted) for full track use with no horsepower loss and the loudest exhaust tone * With high-flow catalytic converters; recommended for street driving with little or no horsepower loss and a deeper exhaust tone * With Kooks ultra-high performance GREENCATS catalytic converters that eliminate 90 percent of "Check Engine Light" warnings; designed for naturally aspirated and forced induction engines up to 900 hp Note: Certain exhaust systems may not be legal for sale, installation, or use in certain locales. Check your state and local laws.
( 14 )
$775.00
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$2,413.70
$658.75
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$2,048.98
On Sale
Y-pipes are usually used to connect to original equipment exhaust system connection points. Kooks Headers Y-pipes are heavy-duty and crack-resistant, featuring large diameter stainless steel construction with smooth-flowing mandrel-bent tubing. Most are designed to be used with Kooks long tube headers. Kooks Headers Y-pipes are offered in three versions: * Off-road (non-catted) for full track use with no horsepower loss and the loudest exhaust tone * With high-flow catalytic converters; recommended for street driving with little or no horsepower loss and a deeper exhaust tone * With Kooks ultra-high performance GREENCATS catalytic converters; designed for naturally aspirated and forced induction engines up to 900 hp, eliminates most "Check Engine Light" warnings Note: Kooks Headers Y-pipes may not be legal for sale, installation, or use in some areas. Check your state and local laws.
( 8 )
$1,495.82
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$2,219.82
$1,271.45
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$1,886.85
On Sale
X-pipes are used primarily for high-rpm performance and race applications. Kooks Headers X-pipes are heavy-duty and crack-resistant, featuring large diameter stainless steel construction with smooth-flowing mandrel-bent tubing. Most are designed to be used with Kooks long tube headers. Some applications require cutting the factory exhaust system. Select models connect to the OEM connection point. Kooks Headers X-pipes are offered in three versions: * Off-road (non-catted) for full track use with no horsepower loss and the loudest exhaust tone * With high-flow catalytic converters; recommended for street driving with little or no horsepower loss and a deeper exhaust tone * With Kooks ultra-high performance GREENCATS catalytic converters; designed for naturally aspirated and forced induction engines up to 900 hp, eliminates most "Check Engine Light" warnings Note: Kooks Headers X-pipes may not be legal for sale, installation, or use in some areas. Check your state and local laws.
( 7 )
$1,516.89
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$2,353.21
$1,289.36
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$2,000.23
On Sale
H-pipes create lower end power and are typically used for street cars that need performance with a comfortable sound level. Kooks Headers H-pipes are heavy-duty and crack-resistant, featuring large diameter stainless steel construction with smooth-flowing mandrel-bent tubing. Most are designed to be used with Kooks long tube headers. Some applications require cutting the factory exhaust system. Select models connect to OEM connection points. Kooks Headers H-pipes are offered in three versions: * Off-road (non-catted) for full track use with no horsepower loss and the loudest exhaust tone * With high-flow catalytic converters; recommended for street driving with little or no horsepower loss and a deeper exhaust tone * With Kooks ultra-high performance GREENCATS catalytic converters; designed for naturally aspirated and forced induction engines up to 900 hp, eliminates most "Check Engine Light" warnings Note: Kooks Headers H-pipes may not be legal for sale, installation, or use in some areas. Check your state and local laws.
( 3 )
$1,128.84
$959.51
On Sale
Kooks Headers turbo downpipes are made from heavy-duty, crack-resistant, large diameter stainless steel. They feature smooth-flowing mandrel-bent tubing and are available in styles that connect to the original equipment exhaust system or to Kooks cat-back systems. Either way, they create power and improve performance. Kooks Headers turbo downpipes are offered in three versions: * Off-road (non-catted) for full track use with no horsepower loss and the loudest exhaust tone * With high-flow catalytic converters; recommended for street driving with little or no horsepower loss and a deeper exhaust tone * With Kooks ultra-high performance GREENCATS catalytic converters; designed for naturally aspirated and forced induction engines, they eliminate 90 percent of "Check Engine Light" warnings Note: Kooks Headers turbo downpipes may not be legal for sale, installation, or use in some areas. Check your state and local laws.
Not Yet Reviewed
$2,583.55
$2,196.02
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