For 67-91 Chevy GMC C/K GMT Small Block V8 SS Long Tube Header Manifold Exhaust. Our long tube 4-1 off-road headers are designed to allow the exhaust gasses to flow more freely from each 4 cylinder bank and combine in a more efficient manner. Tubing has been optimized for the 5.0L(305), 5.7L(350ci) and 6.6(400ci) engines.
This creates a reduction in cylinder backpressure and improved exhaust gas velocity. These improvements free up lost horsepower and torque. An added benefit is a more performance oriented exhaust sound.1 x Stainless Steel Header Exhaust. Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durability.
Maximizing Smoothest High Exhaust Air Flow Rate. TIG Welded CNC Machine Flange. 2-Piece 4-1 Racing Specs Design (8-2-1). Increase High Flow Air, Instantly Gain 10 -15 Hp. 1.25" Inlet, 3.00" Outlet.
Bolts and Metal Gasket Included. Fits Small Block V8 Motors.
Professional Installation is Highly Recommended. Installation Instruction is NOT Included. WE HIGHLY RECOMMEND PROFESSIONAL INSTALLATION! Top reputable aftermarket performance retailer providing quality tested products for your cars and trucks.
We are committed to providing the best products backed by the best service to ensure you have positive experience with shopping at our store. Currently we do not accept exchanges. Instruction manuals are NOT included with most of our products unless otherwise stated in product description. For emissions related questions, please check your local jurisdiction for emission specific requirements before purchasing. The item "For 67-91 Chevy GMC C/K GMT Small Block V8 SS Long Tube Header Manifold Exhaust" is in sale since Tuesday, August 17, 2021.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "newpoint_motor" and is located in Texas, TX. This item can be shipped worldwide.