4-1 Small Block Hugger Exhaust Header For 66-96 Chevy SBC V8 305 327 350 400. Installation: Fits Small Block Chevy Engines with Angle Plug Heads.Getting more air into your engine and more exhaust out is the key to a performance motor. That's where exhaust headers are significant as the first revenue of an exhaust system. Exhaust performance headers manipulate the air flow with the performance-robbing exhaust manifold that came with your car. Headers provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders, thus, the backpressure that occurs in common exhaust manifolds. When cylinders don't have to fight with each other to expel their exhaust, they can put more power through the wheels, Pushing the vehicle.
Combining with a high-performance cold air intake and a catback exhaust system, a header system removes all restrictions of your engine, then, it is able to perform at its full potential. Header Spec: 2x 4-1 Design. 2.5 OD Weldable Angle Collector Flanges.
Pipe Spec: 1 Piece Construction on each Header. Only Fits Models with 5.0L(305ci), 5.3L(327ci), 5.7L(350ci), and 6.6L(400ci) engine. Inlet/Outlet: 1.75" OD x 1.50" OD (Oval Ports)/2.50 ID. Wall Thickness: 3/8 Flange / 16-Gauge Piping Walls. Headers are made with high quality stainless steel , Mandrel bent tubing, CNC Machined Flanges.Gain More performance Due to More Air Flow. Better fuel mileage with improved combustion. 1 Pair x Exhaust Header Manifold Kit (Left & Right) Hardware if any is shown in the picture above. All exhaust and suspension products are deemed for "off-road use only"- please check local laws regarding the modification of the exhaust systems by checking the vehicle code for your state. Many states are more stringent on exhaust modification laws and to pass SMOG.
Please check your local laws. All exhaust system components will alter and affect the vehicle's overall sound in pitch and volume. All to which is subjective in manner.Recommended for Racing/Off-Road Use ONLY, Will Not Pass Emissions Test. Are there other items that are related to this product? Do you carry other parts/accessories for this car model? Powered by SixBit's eCommerce Solution. The item "4-1 Small Block Hugger Exhaust Header For 66-96 Chevy SBC V8 305 327 350 400" is in sale since Wednesday, May 12, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "urmarketoutlet" and is located in Rowland Heights, California.
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