Every Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Gibson headers improve the engine's ability to breathe and help promote cooler operating engine temperatures. They are well suited for lowered and raised vehicles, street and off-road.
Product Info
Description
Product Details
- High quality 1.50" steel 14 gauge mandrel bent tubing
- Designed as a direct replacement for factory exhaust manifold
- 3/8" Heavy duty laser cut port flanges
- Uses OEM style connectors
- No warping or leaking
- No welding required
- 50 state street legal
- Meets EPA and CARB requirements.
Parts Included
- (1) Gibson Chrome Header
- (1) Premium Header Gasket
- (2) Lock Washers
- (2) Flat Washers
- (2) 3/8" Nuts
- (2) 3/8" x 3" Bolts
- (1) Exhaust Donut
Additional Info
| SKU | GP400 |
|---|---|
| Manufacturer Part Number | GP400 |
| Brand | Gibson |
| Part Type | Exhaust Headers |
| SKU Aliases | GP400 |
| Color | Chrome |
| Finish | Chrome |
Installation Guide Download
What It Fits
| Years | Make | Model |
|---|---|---|
| 1991-1999 | Jeep | Cherokee XJ |
| 1993-1998 | Jeep | Grand Cherokee ZJ |
| Years | Make | Model |
|---|---|---|
| 1997-1999 | Jeep | Wrangler TJ |
| 1991-1995 | Jeep | Wrangler YJ |
Installation
Installation Guide Download
