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Doug Thorley Headers  |  SKU: THY-637Y-C

THY-637Y-C / 1999-2004 Jeep Grand Cherokee WJ 4.7L Long Tube Headers w/ Y-pipe

$1,607.00
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Description

Long Tube Tri-Y Headers with Y-pipes
1999-04 Jeep Grand Cherokee WJ
4.7L V8


Header Style: 4:2:1 Tri-Y Headers
Material: Steel
Finish: Silver Ceramic Coated
Weld Up: No
Primary Tube Diameter: 1-5/8"
Primary Tube Gauge: 14 Gauge
Collector Attachment: Slip-Fit
Collector Diameter: 2-1/2"
Tuned: No
Flange Thickness: 3/8"
Bolts and/or Studs Included: Yes
Gaskets Included: Yes
Reducers Included: N/A
Y-Pipe (Crossover) Included: Yes
Y-Pipe Inlet Diameter: 2-1/2"
Y-Pipe Outlet Diameter: 3" or 2-1/2"
Catalytic Converter(s) Included: No
Quantity: Sold as a Complete Kit
CARB E.O. #: NOT LEGAL FOR STREET USE ON POLLUTION CONTROLLED VEHICLES
Warranty: Limited Lifetime to original purchaser

Notes: This complete header kit makes huge increases in the power output of your V8 Grand Cherokee. They are also fantastic option when replacing the crack-prone factory manifolds, rather than heading to your local dealership. The kit includes ceramic coated long tube tri-y headers and a complete performance y-pipe kit routing exhaust gases all the way to your exhaust system. Install these headers today and feel your vehicle's true power potential!

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Doug Thorley Headers

THY-637Y-C / 1999-2004 Jeep Grand Cherokee WJ 4.7L Long Tube Headers w/ Y-pipe

$1,607.00

Long Tube Tri-Y Headers with Y-pipes
1999-04 Jeep Grand Cherokee WJ
4.7L V8


Header Style: 4:2:1 Tri-Y Headers
Material: Steel
Finish: Silver Ceramic Coated
Weld Up: No
Primary Tube Diameter: 1-5/8"
Primary Tube Gauge: 14 Gauge
Collector Attachment: Slip-Fit
Collector Diameter: 2-1/2"
Tuned: No
Flange Thickness: 3/8"
Bolts and/or Studs Included: Yes
Gaskets Included: Yes
Reducers Included: N/A
Y-Pipe (Crossover) Included: Yes
Y-Pipe Inlet Diameter: 2-1/2"
Y-Pipe Outlet Diameter: 3" or 2-1/2"
Catalytic Converter(s) Included: No
Quantity: Sold as a Complete Kit
CARB E.O. #: NOT LEGAL FOR STREET USE ON POLLUTION CONTROLLED VEHICLES
Warranty: Limited Lifetime to original purchaser

Notes: This complete header kit makes huge increases in the power output of your V8 Grand Cherokee. They are also fantastic option when replacing the crack-prone factory manifolds, rather than heading to your local dealership. The kit includes ceramic coated long tube tri-y headers and a complete performance y-pipe kit routing exhaust gases all the way to your exhaust system. Install these headers today and feel your vehicle's true power potential!

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