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Kooks COMPETition only products are built for use in motorsports competition only. these products are not intended for street use.



Competition Only

  • 521 Items
  • 2  of  22
244864
3" x 2-3/4"(OEM) SS Competition Only H-Pipe. 2011-2014 Mustang GT 5.0L.
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SKU: 11413400
3" x 2-3/4"(OEM) SS Competition Only H-Pipe. 2011-2014 Mustang GT 5.0L.
$563.37
3" SS Comp. Only Turbo Down Y-Pipe. 2011-2014 F150 EcoBoost. Connects to OEM.
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SKU: 13533100
3" SS Comp. Only Turbo Down Y-Pipe. 2011-2014 F150 EcoBoost. Connects to OEM.
$1,284.97
3" x 2-3/4"(OEM) SS Competition Only X-Pipe. 2011-2014 Mustang GT 5.0L.
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SKU: 11413100
3" x 2-3/4"(OEM) SS Competition Only X-Pipe. 2011-2014 Mustang GT 5.0L.
$522.29
3" Competition Only Header-Back Street Screamer Exhaust w/Polished Tips.
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SKU: 22605101SS
3" Competition Only Header-Back Street Screamer Exhaust w/Polished Tips.
$1,614.43
1-3/4" x 1-7/8" Stainless Headers & Comp. Only Exhaust. 2015-2020 Shelby GT350.
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SKU: 1154F310
1-3/4" x 1-7/8" Stainless Headers & Comp. Only Exhaust. 2015-2020 Shelby GT350.
$5,674.86
1-3/4" x 1-7/8" Stainless Headers & 3" Catted Exhaust. 2015-2020 Shelby GT350.
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SKU: 1154F320
1-3/4" x 1-7/8" Stainless Headers & 3" Catted Exhaust. 2015-2020 Shelby GT350.
$6,181.26
3" SS Comp. Only Downpipe. 2015-2017 Mustang EcoBoost. To Kooks Comp Exhaust.
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SKU: 11533100
3" SS Comp. Only Downpipe. 2015-2017 Mustang EcoBoost. To Kooks Comp Exhaust.
$587.46
3" SS Competition Only Y-Pipe. 2011-2014 F150 5.0L 4V.  Connects to OEM.
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SKU: 13513100
3" SS Competition Only Y-Pipe. 2011-2014 F150 5.0L 4V. Connects to OEM.
$702.86
3" SS Competition Only Connnection Pipes. 2015-2020 Mustang GT 5.0L.
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SKU: 11513100
3" SS Competition Only Connnection Pipes. 2015-2020 Mustang GT 5.0L.
$239.66
2" Stainless Headers w/o Emissions Fittings. 1998-2002 Camaro/Firebird 5.7L.
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SKU: 22412600
2" Stainless Headers w/o Emissions Fittings. 1998-2002 Camaro/Firebird 5.7L.
$1,146.03
1-7/8" Stainless Headers. 2004-2006 Pontiac GTO.
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SKU: 24102400
1-7/8" Stainless Headers. 2004-2006 Pontiac GTO.
$1,122.37
2" Stainless Headers. 2009-2015 Cadillac CTS-V.
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SKU: 23112600
2" Stainless Headers. 2009-2015 Cadillac CTS-V.
$1,368.29
1-7/8" Stainless Headers. 2009-2015 Cadillac CTS-V.
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SKU: 23112400
1-7/8" Stainless Headers. 2009-2015 Cadillac CTS-V.
$1,244.46
1-7/8" Stainless Headers. 2014-2017 Chevrolet SS.
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SKU: 25102400
1-7/8" Stainless Headers. 2014-2017 Chevrolet SS.
$1,077.03
1-7/8" Stainless Headers. 2008-2009 Pontiac G8.
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SKU: 24202400
1-7/8" Stainless Headers. 2008-2009 Pontiac G8.
$930.29
1-7/8" Stainless Headers. 2003-2006 Chevrolet SSR.
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SKU: 27302400
1-7/8" Stainless Headers. 2003-2006 Chevrolet SSR.
$1,246.14
1-3/4" Stainless Headers. 1993-1995 F150 Lightning 5.8L.
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SKU: 13212200
1-3/4" Stainless Headers. 1993-1995 F150 Lightning 5.8L.
$1,714.40
1-7/8" Stainless Headers.  1967-1969 Camaro. 1968-1974 Nova.
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SKU: 22102400
1-7/8" Stainless Headers. 1967-1969 Camaro. 1968-1974 Nova.
$1,252.69
1-3/4" Stainless Headers.  1967-1969 Camaro. 1968-1974 Nova.
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SKU: 22102200
1-3/4" Stainless Headers. 1967-1969 Camaro. 1968-1974 Nova.
$852.03
1-7/8" Stainless Headers. 2011-2014 F150 5.0L 4V.
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SKU: 13512400
1-7/8" Stainless Headers. 2011-2014 F150 5.0L 4V.
$1,069.97
1-3/4" Stainless Headers. 2011-2014 F150 5.0L 4V.
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SKU: 13512200
1-3/4" Stainless Headers. 2011-2014 F150 5.0L 4V.
$1,009.06
2" x 3"  Stainless Headers.  2014-2015 Camaro Z28.
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SKU: 22512610
2" x 3" Stainless Headers. 2014-2015 Camaro Z28.
$1,356.43
1-7/8" Stainless Headers.  2014-2015 Camaro Z28.
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SKU: 22512410
1-7/8" Stainless Headers. 2014-2015 Camaro Z28.
$1,203.63
2-1/2" SS Catted X-Pipe.  2005-2010 Mustang GT 4.6L 3V.
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SKU: 11313200
2-1/2" SS Catted X-Pipe. 2005-2010 Mustang GT 4.6L 3V.
$986.09
  • 521 Items
  • 2  of  22
Warning / California (Proposition 65)

Proposition 65 requires businesses to provide warnings to Californians about significant exposures to chemicals that cause cancer, birth defects or other reproductive harm. These chemicals can be in the products that Californians purchase, in their homes or workplaces, or that are released into the environment. By requiring that this information be provided, Proposition 65 enables Californians to make informed decisions about their exposures to these chemicals. 

Proposition 65 also prohibits California businesses from knowingly discharging significant amounts of listed chemicals into sources of drinking water. 

Proposition 65 requires California to publish a list of chemicals known to cause cancer, birth defects or other reproductive harm. This list, which must be updated at least once a year, has grown to include approximately 900 chemicals since it was first published in 1987.

For more information, please visit www.p65warnings.ca.gov.

Warning / California (CARB)

California laws prohibit the use of any aftermarket exhaust part or system that modifies, removes or replaces original equipment catalysts unless the California Air Resources Board has issued an Executive Order regarding such part or system or unless the part or system is exempted by being used only on racing vehicles on closed courses. Neither Kooks Headers and Exhaust nor any of their subsidiaries make any representation that any of their parts or systems has received such an Executive Order or that any of their parts or systems conform with the racing vehicles exemption. The purchasers are entirely responsible for informing themselves of applicable California laws and to comply with those laws.

Unauthorized Vendors

Kooks products purchased through any unauthorized vendor (including but not limited to): Amazon and Maryland Speed will not be warrantied by Kooks. Likewise, returns from any unauthorized vendor will not be accepted by Kooks.

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