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Gibson | Performance Header Stainless
GP400S
Gibson Performance | GP400S | Performance Header Stainless 409L – Jeep Cherokee / Grand Cherokee / Wrangler L6 4.0L – Direct Fit
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CAD $780.56
CAD $918.31
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Gibson Performance – Exhaust Header
Description
The Gibson Performance Header (ref. GP400S) is a direct-fit replacement for factory manifolds on Jeep Cherokee, Grand Cherokee, and Wrangler with the L6 4.0L engine. Built with 16-gauge 409L stainless steel mandrel-bent 1.500 in. tubing and 3/8 in. heavy-duty laser-cut port flanges that eliminate warping and leaking. Dyno-tuned to deliver more usable horsepower and torque at low and mid-range RPM. No welding required – uses OEM-style connections and the stock crossover pipe. Suitable for lowered and lifted vehicles, street and off-road. EPA and CARB compliant. Backed by a limited lifetime warranty.
Specifications
- Brand: Gibson Performance
- Part Number: GP400S (See Application Section)
- Type: Short tube header, down-swept style
- Material: 409L Stainless Steel, 16 gauge
- Finish: Stainless Steel
- Tube Diameter: 1.500 in.
- Port Flanges: 3/8 in. heavy-duty laser cut
- Fitment: Direct fit
- Installation: No welding required, OEM-style connections, premium gaskets and hardware included
- Compliance: EPA and CARB – 50-state legal
- Compatibility: Jeep Cherokee / Grand Cherokee / Wrangler – L6 4.0L (See Application Section)
- Warranty: Limited lifetime
- Condition: New
- Sold and shipped by: GBP Performance
Note:
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Compatibility (Application)
| Make | Model | Years | Engine | Notes |
|---|---|---|---|---|
| Jeep | Cherokee | 1991–1999 | L6 4.0L | |
| Jeep | Grand Cherokee | 1993–1999 | L6 4.0L | |
| Jeep | Wrangler | 1991–1999 | L6 4.0L |
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