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. Made of high quality T-304 stainless steel material.
TIG welded CNC machine flange. O2 sensor bung insertion included. 2 x 4-1 Racing design. Increase high flow air, instantly gain 10 to 15 Hp. 1 x Header exhaust system.
Will not fits on the passenger side if you use Edelbrock aluminum heads. For 55-57 Chevrolets with the original steering box. Professional Installation is Highly Recommended. Installation Instruction is NOT Included.
We'd love to hear from you! We stand behind the products we sell. Please inspect all your order(s) upon receipt.All return items MUST be in brand new condition which means the item is never installed and kept in the original packaging. All items are brand new unless otherwise stated. PROFESSIONAL installation is highly recommended. The item "Fit 55-57 Sbc Small Block Hugger V8 265/283 Tri-5 Exhaust Manifold Shorty Header" is in sale since Friday, December 23, 2016. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "dptmotorsport" and is located in Texas, TX. This item can be shipped worldwide.