3" or 3.5" DP - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 24 (permalink) Old 08-08-2007, 02:36 AM Thread Starter
97F-3504X4PSD
 
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3" or 3.5" DP

Decided to go with a 4" exhaust(will have muffler and Cat.). Tuner(not sure from who yet) will be the next and final power mod. What difference will a 3.5" DP make over a 3" DP? Truck will mainly be a daily driver occasionally towing maybe 8K.:thanks:


97, F-350, 7.3 PSD, OBS, 4X4, Reg. Cab, SRW, 4.10 gears w/ Locking rear, 235-85/R16s, Shimmed FPR, Zoo Dad, DIY intake, Turbo friendly Cat., Transgo Tugger Kit(RacerX).

Next(3"-3.5"-4" downpipe & 4" Exhaust)


"You may take a bullet, but you will never take one of my guns"
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post #2 of 24 (permalink) Old 08-08-2007, 03:09 AM
 
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a 4'' turbo back exhaust is what you need as far as a tuner i went with a 3 stage hypertech power programmer and love it.
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post #3 of 24 (permalink) Old 08-08-2007, 03:15 AM
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3'' is going to be hard enough to get on. they make a 3'' to 3.5'' dp. you should buy from one of the vendors here. Never heard a bad thing from dp-tuner.com Just don't do what I did and buy a junk Edge evo, superships, hypertech or banks. When I was new I learned that The big advertisers suck!IMO. Your just buying the name. sorry just had to get some anger out:devil

97 F-250 7.3 psd 4x4: homemade Intake, fpr mod, IDM mod, 18k mod, HX mod, a pillar w/ 3 autometer gauges, 3" downpipe, minus muffler and cat.
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post #4 of 24 (permalink) Old 08-08-2007, 03:18 AM
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But if you want an edge evo I'm selling mine. Tells engine and tranny temp. Diagonose's trouble codes. Thats the main reason I have it.

97 F-250 7.3 psd 4x4: homemade Intake, fpr mod, IDM mod, 18k mod, HX mod, a pillar w/ 3 autometer gauges, 3" downpipe, minus muffler and cat.
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post #5 of 24 (permalink) Old 08-08-2007, 03:20 AM
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Quote:
Originally Posted by stroker_baldy
3'' is going to be hard enough to get on. they make a 3'' to 3.5'' dp. you should buy from one of the vendors here. Never heard a bad thing from dp-tuner.com Just don't do what I did and buy a junk Edge evo, superships, hypertech or banks. When I was new I learned that The big advertisers suck!IMO. Your just buying the name. sorry just had to get some anger out:devil
:agreed: I have an edge w/atttitude and ok but it don't make near the hp and is alot harder on the tranny I can't wait to get a sct for mine
:smoke

2005 2500HD DIRTYMAX 6in lift, dual exhaust, afe airbox. Tuner soon to come

2001 PSD shortbed crewcab, ATS tranny edge juice w/attitude, Superchips programmer, Gauges, exhaust, 4inch lift w/35s, (SOLD)

Originally Posted by sledneck57
Your sweating like a queer holding a hot dog.lol.
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post #6 of 24 (permalink) Old 08-08-2007, 03:20 AM
 
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you had problems with hypertech?
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post #7 of 24 (permalink) Old 08-08-2007, 03:26 AM
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Don't get me wrong. when I got my evo I thought it was amazing. Now that I've been w/ TDG, my evo (and all the big names) ain't sheite. but good for a starter.

97 F-250 7.3 psd 4x4: homemade Intake, fpr mod, IDM mod, 18k mod, HX mod, a pillar w/ 3 autometer gauges, 3" downpipe, minus muffler and cat.
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post #8 of 24 (permalink) Old 08-08-2007, 03:28 AM
 
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what's the difference in them?
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post #9 of 24 (permalink) Old 08-08-2007, 03:32 AM
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Sorry Andy for the Hijack. Quality, Custom to specs of your truck, not on an assembly line, customer service, and definetly the POWER:

97 F-250 7.3 psd 4x4: homemade Intake, fpr mod, IDM mod, 18k mod, HX mod, a pillar w/ 3 autometer gauges, 3" downpipe, minus muffler and cat.
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post #10 of 24 (permalink) Old 08-08-2007, 04:32 AM
 
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your never going to get a 4 inch downpipe on a OBS truck without hacking apart the firewall, a 3-3.5 is fine it will fit like a 3 but flare out to a 3.5 at the end that will be just fine
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