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+--- Thread: custom headers ... no affiliation (/showthread.php?tid=3800)
custom headers ... no affiliation - 300SD_KY - 07-20-2012
http://www.stainlessheaders.com/customheaders
near the end of my to-do list ... along with a myna/mencken pump, straight-pipe exhaust ...
anybody with experience?
RE: custom headers ... no affiliation - fordheaded - 07-20-2012
Sounds like you bumped the pump pretty good, so you'll want to go with bigger and better flowing exhaust. My engine is stock '84 300D but I replaced the entire exhaust with a stainless steel straight pipe , no muffler or resonator. It is 2 1/2 in. to the axle, then 3 in. to the bumper. Gave me lots more upper end performance and sounds like a 6bt cummins! Actually too loud, so I made a resonator after the downpipe and it took it down a notch. Tig welded sanitary pipe from the scrapyard. You probably should go 3" or larger. I couldn't imagine the price for custom s.s. headers but sure would increase the flow .