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Kooks Custom Headers 11313200 2-1/2" SS Catted X-Pipe. 2005-2010 Mustang GT 4.6L 3V.
2-1/2" x 2-1/2" (OEM) Catted Stainless Steel X-Pipe. 2005-2010 Ford Mustang GT 4.6L 3V.
  • 2-1/2" 16GA 304 Stainless Steel construction
  • Ball and socket style connection to Headers
  • KOOKS Standard 300 Cell High Flow Catatlytic Converters
  • Requires Kooks Headers with 2-1/2" Collectors
  • Includes Clamps
  • 2-1/2" Outlet connects to OEM exhaust re-using OEM Clamps (Not Included)
  • KOOKS Standard Cats not recommended for use with forced induction
$1,058.90 $887.48 USD 16%
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Kooks Custom Headers 11515450 3" SS Connection-Back H-Pipe Exhaust w/SS Tips. 2018-2020 Mustang GT 5.0L.
3" Connection-Back Exhaust System. 2018-2020 Mustang 5.0L 4V.
  • 3" Mandrel Bent 304 Stainless Steel Tubing
  • Includes H-Pipe, 3" Stainless Oval Mufflers and 4" Slash Cut Polished Stainless Quad Tips
  • Requires Kooks Long Tube Headersand Front Connection Pipes
  • Does Not Connect to OEM Exhaust
$2,992.13 $2,435.04 USD 18%
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Kooks Custom Headers 11516450 3" SS Muffler Delete Axle-Back Exhaust w/SS Tips. 2018-2020 Mustang 5.0L.
2-1/2" x 3" Muffler Delete Axle-Back Exhaust. 2018-2020 Mustang GT 5.0L 4V
  • 3" Mandrel Bent 304 Stainless Steel Tubing
  • Includes 3" Stainless Muffler Delete Pipe and 4" Slash Cut Polished Stainless Quad Tips
  • Connects to OEM Exhaust
  • Factory Exhaust Must be Cut for Installation
  • Factory Exhaust Must Be Cut To Install
$1,011.67 $824.50 USD 18%
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Kooks Custom Headers 13513300 3" SS GREEN Catted Y-Pipe. 2011-2014 F150 5.0L 4V. Connects to OEM.
2011-2014 Ford F150 Coyote 5.0L 4V 3" x OEM GREEN Catted Stainless Y-Pipe. Requires Kooks Long Tube Headers
$2,602.70 $2,058.48 USD 20%
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Kooks Custom Headers 21613201 3" SS Catted X-Pipe. 2006-2013 Z06/ZR1 Corvette. Connects to OEM Exhaust.
2006-2013 Chevrolet Corvette C6 Z06/ZR1 LS9/LS7 6.2L/7.0L 3" x 3"(OEM) Catted Stainless X-Pipe . Connects to 3" OEM (Z06/ZR1 Style) Exhaust. Includes 3" x 3" Mid-Pipes. Requires Kooks Long Tube Headers. REVISION - **TORCA SWIVEL-SEAL CONNECTIONS AND 3 PIECE X-SECTION FOR IMPROVED FITMENT** STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
  • STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
$1,374.23 $1,083.27 USD 21%
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Kooks Custom Headers 13614000 3" SS Cat-Back Exhaust w/SS Tips. 2015-2017 F150 5.0L 4V. Connects to OEM.
2015 - 2017 Ford F150 Coyote 5.0L 4V 122.4" Wheelbase Trucks - Regular Cab w/ Standard Box (6'5") OEM x 3" Stainless Steel Cat-Back Exhaust. With Polished Tips.
$1,622.00 $1,315.70 USD 18%
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Kooks Custom Headers 22413200 3" SS Catted SS Y-Pipe. 1998-2002 Camaro/Firebird 5.7L. Connects to OEM.
1998-2002 Chevrolet Camaro and Pontiac Firebird LS1 5.7L 3" x 2-3/4"(OEM) Catted Stainless Steel Y-Pipe (To OEM Connection point). Requires Kooks Long Tube Headers STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
$1,274.83 $944.82 USD 25%
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Kooks Custom Headers 28623200 3" Stainless Catted Y-Pipe. 2019-2023 GM 1/2 Ton Truck 5.3L.
3" x 2-3/4"(OEM) Catted Stainless Steel Y-Pipe. 2019-2023 GM 1500 Series Truck 5.3L.
  • 3" 16GA 304 Stainless Steel Construction
  • KOOKS Standard 300 Cell High Flow Catatlytic Converters
  • Ball and Socket style Connection to Headers
  • Requires Kooks Long Tube Headers
  • Includes Clamps
  • Outlet connects to OEM Exhaust re-using OEM Hardware
  • KOOKS Standard Cats not recommended for use with forced induction
$1,211.67 $979.97 USD 19%
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Kooks Custom Headers 28624150 3" SS KST Cat-Back w/OEM Bumper Mounted Tips. 2019-2020 GM Truck 5.3L.
2019-2020 GM 1500 Series 5.3L EcoTec3 V8/4.3L EcoTec3 V6 trucks with 147.43" and 147.53" Wheelbase
  • 2-3/4"(OEM) x 3" x Dual 2-1/2" Stainless Steel Cat-Back Rear-Exit Exhaust
  • Connects to OEM connection point
  • For use with Factory Bumper Mounted tips
  • KST (Kooks Street Type) Muffler
  • Best Suited for use with Kooks Headers and Y-Pipe
  • "Quiet" option when used with OEM manifolds and Cats
Fits Double Cab Trucks w/ Standard Box & Crew Cab Trucks w/ Short Box
  • For trucks with bumper mounted OEM tips.
$1,469.07 $1,335.93 USD 9%
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Kooks Custom Headers 31324200 3" SS Cat-Back w/SS Tips. 2008-2014 Challenger 6.1L. Connects to OEM.
2008-2014 Dodge Challenger SRT8. Complete 3" OEM Style Cat-Back Exhaust System. Includes: 3" X-Pipe, Kooks Oval Race Mufflers and 4" Polished Slash Cut Tips.
$3,061.13 $2,615.81 USD 14%
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Kooks Custom Headers 7046-AS LSX Header Flange - 3/8" Thick Stainless. Round Port for 1-7/8" Primaries.
LSX Header Flange
  • 3/8" Thick 304 Stainless Steel
  • Stock Bolt Pattern
  • Round Ports for 1-7/8" Primaries
  • Sold Individually
$41.97 USD
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Kooks Custom Headers 750000 Kooks/Dirty Dingo Slider LS Swap Mounts. Gives 2-1/2" of adjustment.
GM LS Engines Kooks / Dirty Dingo Slider LS Swap Mounts. Gives 2-1/2" of adjustment, for use with factory and aftermarket mounts. Allows stock location to 2-1/2" foward. May require aftermarket or oil pan modifications.
$282.83 USD
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Kooks Custom Headers 9103 3" 304 Stainless Steel Turnout - 6" Long
3" Short Turnout - 6" Long
  • 16 Ga. 304 Stainless Steel
  • Inlet is 3" I.D. to Slip-Fit over 3" Collector or Pipe
  • To Be Welded or Secured with Tabs
  • Sold Individually
$57.90 $50.97 USD 11%
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Kooks Custom Headers 9910S 2-1/8" x 3-1/2" 304 Stainless Steel Slip-On Collector
2-1/8" x 3-1/2" 304 Stainless Steel Slip-On Collector
  • 4-Into-1 Design
  • 2-1/8" I.D. Inlet to Slip Over 2-1/8" Primaries
  • Kooks Patented Scavenging Spike
  • 3-1/2" O.D. Outlet
  • Includes 2) A/B Style Tabs to Secure to Primaries
  • Sold Individually
$168.80 $128.52 USD 23%
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