high flow exh. - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 8 (permalink) Old 06-11-2010, 01:01 PM Thread Starter
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high flow exh.

Does anyone have any experience with a igh flow cat and exhaust either 4or5inch,

I need the apperance of a stock exh. system but still want my truck to be able to exhale. Its a 95 7.3 and the system is starting to come apart and time for a replacement, (70,000 mi.)

Have considered gutting both and replacing pipes but don't trust the rust.

Thanks for any input.
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post #2 of 8 (permalink) Old 06-12-2010, 02:46 PM
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get a super duty stock down pipe and run a 4inch exhaust back, muffler optional

2000 f350 7.3 ext cab 6speed- 4inch dp, 5inch straight pipe, ts 6 pos chip. stock 140 100 75 50 high idle, zoodad, fpr shimmed, 6637 intake, 5inch lift, foil delete, beans idm, stage one injectors....r.i.p was fun when it lasted

94 mack rd e7350 mack 12speed roll bed
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post #3 of 8 (permalink) Old 06-13-2010, 02:02 AM
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get a super duty stock down pipe and run a 4inch exhaust back, muffler optional
A superduty stck downpipe won't fit the OBS trucks. Think about what you just said. The aftermarket downpipes for the OBS trucks are bent ti fit those trucks only. There is no way a superduty DP will fit, not to mention is a 3 1/2 in. DP and not a 3in like the aftermarket ones.
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post #4 of 8 (permalink) Old 06-13-2010, 02:05 AM
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Originally Posted by flatbed View Post
Does anyone have any experience with a igh flow cat and exhaust either 4or5inch,

I need the apperance of a stock exh. system but still want my truck to be able to exhale. Its a 95 7.3 and the system is starting to come apart and time for a replacement, (70,000 mi.)

Have considered gutting both and replacing pipes but don't trust the rust.

Thanks for any input.

From what I have found out from guys on here and from my diesel buddies, The banks is the only one that will be the closest to the factory as far as bends and the angle where the tailpipe comes out.
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post #5 of 8 (permalink) Old 06-13-2010, 11:16 PM
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wierd cause when i pulled the stock downpipe off of my truck it went on to a 97 obs... and banks is not the only one that makes an exhaust that will exit and look like stock. look on ebay you can find them very easily and way cheaper than getting one from banks, banks stuff sucks for 7.3's waste of money

2000 f350 7.3 ext cab 6speed- 4inch dp, 5inch straight pipe, ts 6 pos chip. stock 140 100 75 50 high idle, zoodad, fpr shimmed, 6637 intake, 5inch lift, foil delete, beans idm, stage one injectors....r.i.p was fun when it lasted

94 mack rd e7350 mack 12speed roll bed
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post #6 of 8 (permalink) Old 06-14-2010, 01:27 AM
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wierd cause when i pulled the stock downpipe off of my truck it went on to a 97 obs... and banks is not the only one that makes an exhaust that will exit and look like stock. look on ebay you can find them very easily and way cheaper than getting one from banks, banks stuff sucks for 7.3's waste of money
Banks makes a real good exhaust especially if you want to keep the noise to a minimum. I have heard banks exhuasts on 7.3L powerstrokes and dodge cummins and they are the most quiet exhaust for an aftermarket product without sacrificing flow. I will agree the the banks power adders are a joke, but not the exhausts. I agree you can find cheaper deals on ebay, but as far as brands go, I am pretty sure banks is the only one that has a tailpip closest to stock. all the others exit at a 45* angle. I don't trust printed pictures so if I can't see the exhaust in front of me or in real photos then I am not going to trust how it will look on the truck.

Last edited by cumminsdude2001; 06-14-2010 at 01:31 AM.
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post #7 of 8 (permalink) Old 06-15-2010, 12:19 AM
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looking at his original post i would say that noise is not a issue with him so if he is on a budget i would go on ebay and take a look at something gonna save you a nice penny compared to buying banks, my girl friends uncle has banks and i personally dont think it sounds that nice. just my 2 cents

2000 f350 7.3 ext cab 6speed- 4inch dp, 5inch straight pipe, ts 6 pos chip. stock 140 100 75 50 high idle, zoodad, fpr shimmed, 6637 intake, 5inch lift, foil delete, beans idm, stage one injectors....r.i.p was fun when it lasted

94 mack rd e7350 mack 12speed roll bed
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post #8 of 8 (permalink) Old 06-15-2010, 03:42 AM
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Well if he is on a low budget, I agree ebay is the way to go. IMO I think it sounds good if you want it quiet. If you want it throaty and loud just straightpipe it. Its all on personal prefference is all it is. I was just trying to answe his question the best as possable to the stock configureation. That I did. I appreciate your input as well.
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