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Exhaust Stock vs 2.5 inch exhaust

  • Thread starter Thread starter sav22rem22
  • Start date Start date Apr 2, 2021

sav22rem22

5 Year Member
Feb 6, 2020
397
86
48
North Carolina
Apr 2, 2021
#1
  • Apr 2, 2021
  • #1
First I want to apologize for creating so my threads as of recently, I’ve just hit a huge burst in motivation to work on my car. So when I got my 89 Gt it had a bad exhaust leak at the headers because the headers had a hole in them. I got those replaced with some bbk shorties from lmr and when those were installed I was informed that the passenger side flange for the exhaust was royally messed up and he wasn’t able to get a good seal

It didn’t start leaking until a few months later however. It’s not the worst leak but it is quite annoying hearing the ticking sound. So I decided I wanted to do something about it and ordered a 2.5 inch off-road H pipe to prepare for a total exhaust overhaul. Also off-road h pipes are incredibly hard to find and the only reason I went with one is because I already have one on the car albeit stock and I don’t have a smog pump. My question to you all is with my current setup do you think I’ll suffer with 2.5 inch? As of right now the only thing done to the car is explorer upper and lower with the explorer injectors and a 65 mm throttle body with a fender CAI. Cam is unknown however it will be getting a cam along with some heads soon. I’ll be going with spintech 9000 mufflers with tailpipes this time because dumps are going to give me carbon monoxide poisoning before long lol
 

nickyb

I gotta say i never painted my nuts, Never Ever
15 Year Member
Apr 3, 2009
2,979
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nevada
Apr 2, 2021
#2
  • Apr 2, 2021
  • #2
The 2.5 will be fine.Post pics.
 

sav22rem22

5 Year Member
Feb 6, 2020
397
86
48
North Carolina
Apr 2, 2021
#3
  • Apr 2, 2021
  • #3
nickyb said:
The 2.5 will be fine.Post pics.
Click to expand...
Currently waiting for the h pipe to come in. I’ll post some when they get here but I also forgot to include this picture
This is also part of the reason for me deciding to go ahead and redo the exhaust lol
 

nickyb

I gotta say i never painted my nuts, Never Ever
15 Year Member
Apr 3, 2009
2,979
1,626
153
nevada
Apr 2, 2021
#4
  • Apr 2, 2021
  • #4
Good decision.
 

sav22rem22

5 Year Member
Feb 6, 2020
397
86
48
North Carolina
Apr 8, 2021
#5
  • Apr 8, 2021
  • #5
nickyb said:
The 2.5 will be fine.Post pics.
Click to expand...

Just got them in today.
 

nickyb

I gotta say i never painted my nuts, Never Ever
15 Year Member
Apr 3, 2009
2,979
1,626
153
nevada
Apr 9, 2021
#6
  • Apr 9, 2021
  • #6
That will do it.
 

sav22rem22

5 Year Member
Feb 6, 2020
397
86
48
North Carolina
Apr 23, 2021
#7
  • Apr 23, 2021
  • #7
So I’m about to order the rest of the parts for my exhaust. I’m going with flowmaster GT tail pipes to get the exhaust out from under the car. I’m going with spintech 9000 mufflers however my question to you all is what configuration should I go with offset/center wise?
 

Cheapskate207

The left one hangs a little lower
5 Year Member
Jan 12, 2020
761
541
113
Maine
Apr 24, 2021
#8
  • Apr 24, 2021
  • #8
You want offset in, opposite offset out
 
Reactions: General karthief

sav22rem22

5 Year Member
Feb 6, 2020
397
86
48
North Carolina
Apr 24, 2021
#9
  • Apr 24, 2021
  • #9
Cheapskate207 said:
You want offset in, opposite offset out
Click to expand...
Thanks a bunch.
 
Reactions: Cheapskate207
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