Found It Cheaper? Use Our Atlus Price Guarantee!

JBA Cat4Ward 1-5/8 in. Primary Shorty Headers, Raw 409SS, No EGR, Select 2003-2006 GM Trucks (6.0L)

$719.27 $791.20
-9%
Low in stock

This product will be available soon, but you can pre-order now to get on the list before others!

US Based Support - In Florida

30 Days Satisfaction Guarantee

Price Match

Easy Financing

JBA Cat4Ward 1-5/8 in. Primary Shorty Headers, Raw 409SS, No EGR, Select 2003-2006 GM Trucks (6.0L)
$719.27 $791.20
$719.27 $791.20

Fits select 2003-2006 Chevrolet Silverado/Suburban, GMC Sierra/Yukon, Cadillac Escalade, and Hummer H2 (6.0L). These JBA Cat4Ward shorty headers (MPN: 1850S-3) are engineered to replace restrictive factory manifolds with mandrel-bent 409 stainless steel for improved exhaust scavenging and engine efficiency. Specifically designed for models without EGR systems, these headers utilize 1-5/8 in. primaries and JBA’s proprietary Firecone collector technology to maximize torque for towing and performance applications. Each set features heavy-duty 3/8 in. thick machined flanges with oversized ports to ensure a leak-free seal and withstand extreme heat cycles.

  • Material: Raw 409 Stainless Steel
  • Primary Diameter: 1-5/8 in.
  • Flange Thickness: 3/8 in. Machined
  • Collector: Proprietary JBA Firecone design
  • Fitment: Models without EGR connections
  • Installation: Includes factory-style emission connections and mounting hardware
  • Mandrel-bent tubing for unrestricted flow
🔧 Fitment & Compatibility
Year Make Model Submodel
2003-2006 Cadillac Escalade Base
2003-2005 Chevrolet Silverado 1500 Base
2004-2006 Chevrolet Silverado 1500 Hybrid
2003-2006 Chevrolet Silverado 1500 LS
2003-2006 Chevrolet Silverado 1500 LT
2003-2006 Chevrolet Silverado 1500 SS
2003-2006 Chevrolet Silverado 1500 WT
2004-2005 Chevrolet Silverado 1500 Z71 Off-Road
2005 Chevrolet Silverado 1500 HD Base
2003,2005 Chevrolet Silverado 1500 HD LS
2003,2005-2006 Chevrolet Silverado 1500 HD LT
2003-2004 Chevrolet Silverado 2500 Base
2003-2004 Chevrolet Silverado 2500 LS
2003-2004 Chevrolet Silverado 2500 LT
2004 Chevrolet Silverado 2500 WT
2003-2005 Chevrolet Silverado 2500 HD Base
2003-2006 Chevrolet Silverado 2500 HD LS
2003-2006 Chevrolet Silverado 2500 HD LT
2003-2006 Chevrolet Silverado 2500 HD WT
2003-2005 Chevrolet Silverado 3500 Base
2003-2006 Chevrolet Silverado 3500 LS
2003-2006 Chevrolet Silverado 3500 LT
2004,2006 Chevrolet Silverado 3500 WT
2006 Chevrolet Suburban 1500 Base
2006 Chevrolet Suburban 1500 LS
2006 Chevrolet Suburban 1500 LT
2006 Chevrolet Suburban 1500 LTZ
2006 Chevrolet Suburban 1500 Z71
2003-2006 Chevrolet Suburban 2500 LS
2003-2006 Chevrolet Suburban 2500 LT
2003-2005 GMC Sierra 1500 Base
2003-2006 GMC Sierra 1500 Denali
2005-2006 GMC Sierra 1500 Hybrid
2003,2006 GMC Sierra 1500 SL
2003-2006 GMC Sierra 1500 SLE
2003-2006 GMC Sierra 1500 SLT
2003-2006 GMC Sierra 1500 WT
2003,2005-2006 GMC Sierra 1500 HD SLE
2003,2005-2006 GMC Sierra 1500 HD SLT
2003-2004 GMC Sierra 2500 Base
2003-2004 GMC Sierra 2500 SLE
2003-2004 GMC Sierra 2500 SLT
2003-2004 GMC Sierra 2500 WT
2003-2005 GMC Sierra 2500 HD Base
2006 GMC Sierra 2500 HD SL
2003-2006 GMC Sierra 2500 HD SLE
2003-2006 GMC Sierra 2500 HD SLT
2003-2006 GMC Sierra 2500 HD WT
2003-2005 GMC Sierra 3500 Base
2006 GMC Sierra 3500 SL
2003-2006 GMC Sierra 3500 SLE
2003-2006 GMC Sierra 3500 SLT
2004-2006 GMC Sierra 3500 WT
2003-2006 GMC Yukon Denali
2006 GMC Yukon SL
2003-2006 GMC Yukon SLE
2003-2006 GMC Yukon SLT
2003-2006 GMC Yukon XL 1500 Denali
2006 GMC Yukon XL 1500 SL
2003-2006 GMC Yukon XL 1500 SLE
2003-2006 GMC Yukon XL 1500 SLT
2003-2006 GMC Yukon XL 2500 SLE
2003-2006 GMC Yukon XL 2500 SLT
2003-2006 Hummer H2 Base

Authencity Guaranteed

We only sell authentic products from verified brand partners and retail partners globally.

  • Visa
  • Mastercard
  • PayPal
  • American Express
  • Discover
  • Apple Pay
  • Google Pay

Can’t Find the Part You Need?

Our catalog represents only a portion of the automotive products available through our supplier network. If you cannot find a specific part, brand, or application on our website, submit a request below, and our team will help source it for you.

Please include as much information as possible, such as your vehicle's year, make, model, trim, engine, desired brand, or part number, to help us quickly identify the correct product.

Email is invalid

Image alt