BIG BLOCK CHEVY12" EXHAUST HEADER FLOW TEST PIPE 1.875" O.D.
Big Block Chevy 12" Exhaust Header Flow Test Pipe 1.875" O.D.
Part No. DEL-FPBBC1875
Pipe is 16 gauge wall tig welded with gloss black finish. Also available in 2" and 2-1/4" O.D. This item is used for flow testing exhaust ports on General Motors Big Block Chevy 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.
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