Full Downpipe back exhaust
01-08-2010, 02:59 PM
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Full Downpipe back exhaust
Has anyone ever ran or bought an exhaust system that is from the downpipe all the way back to the rear of the truck? I'm wanting an "offroad" exhaust system that deletes the cats. Does anyone make a system like that or has anyone had it custom bent?
01-08-2010, 09:55 PM
#4
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Why remove the Cats??? More power??It will only change the exhaust sound.Plus you might as well go for long tube headers and then you will need a dyno tune for the engine to run properly.The cats are not that much of a HP robbing item these days. Roush builds the P-51 mustang with a S/C 4.6 that is putting with a conservative tune 515 HP to the rear wheels on a Stang with Cats and full exhaust....They actually clain 510 HP but one of my buddies put his on a dyno and was 515 Hp & 518Torque... I think that is factory exhaust manifolds also... So again Why???
01-09-2010, 08:33 AM
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After the headers is it basically a straight shot from there or would I need to get some pipes bent? The reason is mostly for sound, possible a hp increase, and I don't want to deal with them clogging up someday.
01-09-2010, 01:13 PM
#7
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yea your gonna need some bent pipe. i made my exhaust with pipe i bought from fleet farm pre bent like 90s and stuff so i wouldnt think itd cost too much for the rest the pipe. problem is finding a shop to do it without the cats cuz most wont do it