Headers & Manifolds Gibson GP131S Gibson 01-03 Chevrolet Silverado 3500 Base 8.1L 1-3/4in 16 Gauge Performance Header - Stainless - Headers & Manifolds – Fastmodz
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Gibson 01-03 Chevrolet Silverado 3500 Base 8.1L 1-3/4in 16 Gauge Performance Header - Stainless - free shipping - Fastmodz
Gibson 01-03 Chevrolet Silverado 3500 Base 8.1L 1-3/4in 16 Gauge Performance Header - Stainless - free shipping - Fastmodz
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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" Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty.

This Part Fits:

Year Make Model Submodel
2002-2003 Chevrolet Avalanche 2500 Base
2001-2003 Chevrolet Silverado 2500 HD Base
2001-2003 Chevrolet Silverado 2500 HD LS
2001-2003 Chevrolet Silverado 2500 HD LT
2001-2003 Chevrolet Silverado 3500 Base
2001-2003 Chevrolet Silverado 3500 LS
2001-2003 Chevrolet Silverado 3500 LT
2001 Chevrolet Suburban 2500 Base
2001-2003 Chevrolet Suburban 2500 LS
2001-2003 Chevrolet Suburban 2500 LT
2002-2003 GMC Sierra 2500 HD Base
2001-2002 GMC Sierra 2500 HD SL
2001-2003 GMC Sierra 2500 HD SLE
2001-2003 GMC Sierra 2500 HD SLT
2003 GMC Sierra 2500 HD WT
2002-2003 GMC Sierra 3500 Base
2001-2002 GMC Sierra 3500 SL
2001-2003 GMC Sierra 3500 SLE
2001-2003 GMC Sierra 3500 SLT
2001-2003 GMC Yukon XL 2500 SLE
2001-2003 GMC Yukon XL 2500 SLT
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Gibson GP131S Replacement Headers & Manifolds
Gibson
GP131S
GIBGP131S
677418005899
1
Headers & Manifolds
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Gibson GP131S Replacement Headers & Manifolds
Is this item in stock?
If it is purchasable it is unstock and available for shipment as soon as today.

How long will it take to get it?
Shipping to US addresses generally takes 2 to 4 business days to arrive depending on your location. We also offer Next Day Air and 2nd Day Air if you need it faster.

International shipping is subject to import duties and taxes and we usually see 4 day to 2 week ship times to most locations outside the USA.

Does this fit my vehicle?
We have fitment charts in most of our vehicle specific products. If you do not see your vehicle, please do not hesitate to ask via chat or contact form.

What is your Return Policy?
Our return policy can be found here: Return Policy

Gibson GP131S Replacement Headers & Manifolds
Gibson GP131S - 01-03 Chevrolet Silverado 3500 Base 8.1L 1-3/4in 16 Gauge Performance Header Stainless
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$1,258.08 $620.45

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Gibson GP131S - 01-03 Chevrolet Silverado 3500 Base 8.1L 1-3/4in 16 Gauge Performance Header Stainless

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