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Exhaust size.


gvr4ever
Forever Member
347/1000


Galant VR-4 org Post #: 1242745 posted 05/30/18 09:42 AM     Remind Me!  Send Private Message   Edit Post      
My Mofugas exhaust has crapped out. Currently running 2.5". Any reason to go to 3"?

At the moment, I can only run 22psi max and don't currently have plans to make changes to my setup.

Turbo is big 16g with FMIC.



1992 Nile black w/sunroof
15xK miles. 2nd owner since 1998

Posts: 5782 | From: Lafayette, IN | Member Since: 08/06/02 | IP: (128.210.2.115) | Report this post to a Moderator

iceman69510
Turn Right Racing
855/2000


Galant VR-4 org Post #: 1242748 posted 05/30/18 10:37 AM     Remind Me!  Send Private Message   Edit Post      
I would suggest you are ok with 2.5. I personally don't like the issues that arise when the downpipe gets to a larger diameter like reaching the bolts to tighten them, interference with the transfer case, etc.



91 VR4 855 Nile Black
92 VR4 828 Belize Green-SOLD
91 VR4 115 Nile Black -SOLD

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IncorpoRatedX
I'm an idiot...
501/2000


Galant VR-4 org Post #: 1242753 posted 05/30/18 01:55 PM     Remind Me!  Send Private Message   Edit Post      
Also would suggest sticking to 2.5" as mentioned, the 3" piping isnt worth the extra fitment work imo. 2.5 is less headache and adequate performance.



-Joshua Adventure Driven Design
1991 Galant VR-4
1999 Montero "Goldi-Locker"

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gvr4ever
Forever Member
347/1000


Galant VR-4 org Post #: 1242754 posted 05/30/18 02:04 PM     Remind Me!  Send Private Message   Edit Post      
I figured 2.5" was the answer. I just thought I'd ask before I buy anything. Looks like CM exhaust is the only company making direct fit exhaust. Anyone else I'm missing?



1992 Nile black w/sunroof
15xK miles. 2nd owner since 1998

Posts: 5782 | From: Lafayette, IN | Member Since: 08/06/02 | IP: (128.210.2.115) | Report this post to a Moderator

blacksheep
Baraqsheep
205/1000


Galant VR-4 org Post #: 1242771 posted 06/01/18 02:54 PM     Remind Me!  Send Private Message   Edit Post   
Stay 2.5", go with an oval muffler and resonator or 2 oval mufflers - one with pretty tip and one thats aluminized or whatever - quieter than round. Yes, certified is the only one left.You could make one yourself easily with 2 90's if you went the ghetto routing method esp with 2.5". But, I would just buy one and be done with it. Rustoleum it if you want before install



1992 Galant VR-4. 205/1000. Nile Black. Sunroof.

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