Vehicle Fitment
Make | Model | Year |
---|---|---|
Chevy | Silverado 1500 | 2001-2003, 2006 |
Silverado 2500 | 2001-2012 | |
Silverado 3500 | 2007-2012 | |
GMC | Sierra 1500 | 2001-2003, 2006 |
Sierra 2500 | 2001-2012 | |
Sierra 3500 | 2007-2012 |
Make | Model | Year |
---|---|---|
Chevy | Silverado 1500 | 2001-2003, 2006 |
Silverado 2500 | 2001-2012 | |
Silverado 3500 | 2007-2012 | |
GMC | Sierra 1500 | 2001-2003, 2006 |
Sierra 2500 | 2001-2012 | |
Sierra 3500 | 2007-2012 |
Exhaust Manifold (12637647) by Merchant Automotive®. GM has introduced a new manifold that will flow better then the original OEM unit. Reduced pinch area near steering shaft for a nearly ideal flow. Greatly increased flow characteristics over the original unit. A great alternative to higher priced after market manifolds. This superior Merchant Automotive product is just for you. Carefully designed for maximum performance, is will more than just meet your needs and expectations. This product is built from top-grade materials to ensure high quality and provide years of reliable service.
In April 2008, Merchant Automotive® moved into its current location in Zeeland, MI. The move was a huge undertaking that involved a complete remodel of the building. That building, having over 10,000 sq ft of space, has allowed for greater expansion and a large retail front. Merchant Automotive provides industry leading customer service and support. Merchant Automotive staff of professionals has intimate knowledge in all the Duramax/Allison platforms Merchant Automotive represent and are dedicated to 100% customer satisfaction. Merchant Automotive provides you with highly specific technical information not found anywhere else. Many of Merchant Automotive products are custom designed and manufactured in-house to maximize the performance and reliability of your truck. The emphasis on product design and specialized manufacturing means that MA can offer you low pricing on products not found at other companies. Merchant Automotive can build anything from pulling hitches to traction bars and all the way to custom twin turbo build ups. Merchant Automotive has earned great recognition for building the engine and transmission in the well-known truck “Nasty Girl". This truck has dyno'd over 1000 horsepower on two separate occasions and is used as a daily driver by its owner.