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Exhaust› Headers, Manifolds and Components

Gibson

Gibson 99-02 Chevrolet Silverado 2500 Base 6.0L 1-5/8in 16 Gauge Performance Header - Stainless

$1,496.70 $616.28 Save $880.42

SKU: G003 GP119S

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

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. 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 engine's 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" Heavy Duty Laser Cut Port Flanges - No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty. Flat Flange on Both Sides; With EGR Fitting; With Out Air Injection. Short Tube Style Header; Direct Fit, Bolt-On; Emission Complaint Carb EO# D-411-13.
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Part #: GP119S

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.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandGibson
Part NumberG003 GP119S

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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