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Discussion Starter #1
Going to be buying my friend a down pipe for his 97 7.3 power stroke. Which size should I go with? I am only abke to find 3 inch diameter pipes and i heard that 4 inch would fit. Someone steer me in the right direction as which one to buy and where?:happymugs
 

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3" barely fits--just the thought of putting a 4" DP in an OBS makes me laugh.
 

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Discussion Starter #3
3" barely fits--just the thought of putting a 4" DP in an OBS makes me laugh.
I hear yea. I put the cat back system on for him and say the down pipe and was surprised at how smooshed it is. Heard the rumor about 4 inch and i think it was down in diesel power mag last year on their 96 quad cab long bed project. probably just going to go with the 3 inch from ebay for $100
 

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I'm sure a 4" could be fit... If you cut the firewall and/or added a body lift.
 

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Bump again, no one knows of a better place then ebay to get a downpipe!?!?
 

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Discussion Starter #7

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How much you pay? And where? I cant find a website. It 3 inch of 4?
I paid about $180.00 a couple of years ago.
here is the web page, but is empty, so you have to call Dale by phone
http://www.tymarperformance.com/

He has 3", 3" to 3 1/2" and 3" to 3 1/2" to 4", all of them in two pieces.
I attached a pic of mine, I like it a lot and really decreases the outside temp. :happymugs
 

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PM any of the vendors on here, they can all get you a 3" OBS down pipe.
 
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