TUBULAR EXHAUST MANIFOLD HEADER EXTRACTOR 425-472 500 CADILLAC BIG BLOCK BBC V8. Our 4-1 Block Hugger off-road headers are designed to allow the exhaust gasses to flow more freely from each cylinder bank and combine in a more efficient manner. Block Hugger style headers are meant to be used where space for long tube headers isnt available due to steering and cross member clearance issues. Tubing has been optimized for the 425, 472 and 500 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. Made of high quality T-304 stainless steel material. TIG welded CNC machine flange. 2 Piece 4-1 racng spec. Increase high flow air, instantly gain 10 to 15 Hp.1 x Set of exhaust header. All necessary hardware, bolts, and gaskets. Professional Installation is Highly Recommended. Installation Instruction is NOT Included.
Video will open in a new window. DOMESTIC LOWER 48 US STATES.We are not responsible for incorrect or undeliverable addresses. Some of the packages cannot be delivered to a PO Box. Package will be held until a valid physical address is provided. For emissions related items, please check with your local jurisdiction for emission specific requirements before purchasing. All items do not come with installation instruction unless otherwise specified. The item "TUBULAR EXHAUST MANIFOLD HEADER EXTRACTOR 425-472 500 CADILLAC BIG BLOCK BBC V8" is in sale since Wednesday, June 23, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Exhaust & Emission Systems\Manifolds & Headers". The seller is "speed_daddy" and is located in Texas, TX. This item can be shipped worldwide.