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Old 01-24-2008, 08:16 AM
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5in. turbo back?

is it a pain to put 5" turbo back exhaust on a 7.3? and are 7" stacks with fappers a good idea?
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Old 01-24-2008, 08:19 AM
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You wouldn't really have enough pressure to keep flappers that big open at an idle - it'd be a ting ting nightmare. You may want to look into some turn outs if you're trying to keep the water out. The 5in won't be bad at all with a 4in downpipe.

Last edited by farmboysdiesel; 01-24-2008 at 09:50 AM. Reason: can't spell
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Old 01-24-2008, 08:19 AM
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haha... 7 inch... that would look cool.. i wana see some pics of someone who has that. 5" cant be that bad.. alot of people have it. but i wouldnt know. i just straighted mine
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Old 01-24-2008, 08:20 AM
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you cant fit a 5inch from the turbo back, you can only fit a 4inch down pipe then go to a 5inch. I know on the 99 w/ an auto trans that 4inch gets tight in some spots around cross members. But running a 4" DP then to 5" as soon as you could to 7" stacks would sound great. Good Luck
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Old 01-24-2008, 09:45 AM
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You're right, a 5" down pipe will not fit on almost all the fords...just not enough room. Here is a picture of a Superduty with 7" bullhorns I belive.

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Old 01-24-2008, 10:10 AM
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Quote:
Originally Posted by crzycowboy View Post
You're right, a 5" down pipe will not fit on almost all the fords...just not enough room. Here is a picture of a Superduty with 7" bullhorns I belive.
Yeah 4" dp is as big as you would want to go.

Is it just me or would those stacks look better as mitre cuts.
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Old 01-24-2008, 10:18 AM
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To each their own. I personally like the Aussies, then the miter cuts. But thats just me. 6" aussies I think look killer.
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Old 01-24-2008, 10:19 AM
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yeah i agree a mitre would look better, i almost want to say those stacks look to big. Ive got a 6" tip on my truck and its huge. dual 7" stacks would be loud as hel.
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Old 01-24-2008, 11:58 AM
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The more I look at the more it grows on me. I'm not real big on stacks though. It looks better than running them outside the bed.
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Old 01-24-2008, 12:42 PM
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alright sounds good. thanks for all yalls advice!
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