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Old 02-27-2012, 09:18 PM   #1
2004mw
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Any one running 3in exhaust

any one running 3in exhaust on there mach 1
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Old 02-27-2012, 09:39 PM   #2
littlemags
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Re: Any one running 3in exhaust

yes
kooks LT's with 3 inch x to 3 inch bullets with dumps
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Old 02-27-2012, 09:49 PM   #3
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Re: Any one running 3in exhaust

ive heard mixed things about running 3in because of back pressure
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Old 02-27-2012, 11:03 PM   #4
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Re: Any one running 3in exhaust

Gonemad has a custom 3in exhaust. Do a search for it, it looks good and I plan on doing the same.
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Old 02-27-2012, 11:07 PM   #5
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Re: Any one running 3in exhaust

Quote:
Originally Posted by littlemags View Post
yes
kooks LT's with 3 inch x to 3 inch bullets with dumps
Bet you can't hear yourself think at WOT

Vids?
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Old 02-27-2012, 11:28 PM   #6
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Re: Any one running 3in exhaust

Quote:
Originally Posted by 2004mw View Post
ive heard mixed things about running 3in because of back pressure
The back pressure issue is when you're not pumping out enough hp to actually benefit from it. IIRC, I believe the "guideline" is anything around 450+hp can use/benefit from a 3" system.
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Old 02-27-2012, 11:33 PM   #7
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Re: Any one running 3in exhaust

well 3in is for me then
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Old 02-27-2012, 11:34 PM   #8
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Re: Any one running 3in exhaust

I'm running a mac 3" cat back only. Sounds good.
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Old 02-28-2012, 12:21 AM   #9
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Re: Any one running 3in exhaust

Quote:
Originally Posted by Stopsign32v View Post
Bet you can't hear yourself think at WOT

Vids?
+1 post a clip...
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P1 8psi @ 6k
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Built Rear w/ 4:10
415/383
PB 11.80, @ 119 with a 1.71 60ft
Tuned by http://www.southtexasperformance.com/

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Old 03-10-2012, 07:02 AM   #10
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Re: Any one running 3in exhaust

http://www.youtube.com/watch?v=PTB_S...lcp&playnext=1

http://www.youtube.com/watch?v=VehGR...4&feature=plcp

This is a vid of Corey's car. He is long gone and I have no idea who now has his car.
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Old 03-11-2012, 04:07 PM   #11
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Re: Any one running 3in exhaust

not running yet but its there. stainless works lt's with a 3" x pipe into a 3" catback with some magnapacks. gonna be loud.

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Old 03-14-2012, 12:06 PM   #12
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Re: Any one running 3in exhaust

Getting one puton/made this Saturday. I'm going to make a thread on it with pics and video of course.
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Old 03-14-2012, 03:54 PM   #13
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Re: Any one running 3in exhaust

Careful with shop made pipes that don't have a mandrel tube bending machine...your pipes WILL come out with creases!
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Mac catback
t45 swap (BEST decision of my life!!!)
Don't fear the gear!

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Old 03-14-2012, 07:20 PM   #14
nickster
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Re: Any one running 3in exhaust

i have 3 in costom with off road h and flows love the sound and the gain in hp,many around here love the sound aswell.so if you are making any hp at all ,you will love it
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Old 03-14-2012, 08:38 PM   #15
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Re: Any one running 3in exhaust

Quote:
Originally Posted by LXS View Post
Careful with shop made pipes that don't have a mandrel tube bending machine...your pipes WILL come out with creases!
No bends will be necessary in my setup...using hedman header extension into an H-pipe kit, straight back to mac flowpaths, then 93 fox body gt tails, turndown tips will be cut off, and a 4" dynomax tip added.
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