SBF oval to round flange design with 11″ length pipe inlet inside dimensions 1.760″ tall 1.200″ wide tig welded with gloss black finish. This item is used for flow testing exhaust ports on ford 289 302 351w V8 cylinder heads. By testing your exhaust port with and without a pipe you will know how it effects the flow positively or negatively. Flow pipe improves flow roughly 5 percent over an exhaust port with no pipe Mounting hardware included.
DEL-TRON PRODUCTS
