Gibson
Gibson 04-05 Dodge Ram 1500 SRT-10 8.3L 1-1/2in 16 Gauge Performance Header - Stainless
SKU: G003 GP312S
Description
Part #: GP312S
Every Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engines ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock crossover pipe. They are well suited for lowered and raised vehicles, street and off-road. 50 State Street legal. Meets EPA and CARB requirements. Will not affect the factory warranty. No welding required. Uses OEM style connections. 3/8 in. Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty.
Features:
- Heavy Duty 409L Stainless 16 Gauge Tubing
- Mandrel Bent Tubing
- Heavy Duty 3/8 in. Thick Laser Cut Port Flanges
- Premium Gaskets and Hardware
- No Welding Required
- Uses OEM Style Connections
Performance Header | Stainless
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | Gibson |
| Part Number | G003 GP312S |
Videos
Gibson Performance Exhaust Headers - Fast Facts
How to Install Gibson Performance Headers
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The RAM SRT10 is WAY BETTER Than the Lightning | Full Review + Raw Sound
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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