2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

pipe size>??????????????

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Old Dec 20, 2006 | 10:03 PM
  #1  
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From: montclair
Question pipe size>??????????????

what piping would work best for a S4 13b N/A
3", 2"1/2, or 2"1/4

With intake and exhaust and headers.. what size to use?
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Old Dec 20, 2006 | 10:04 PM
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From: Spanaway, WA
for exhuast 2.5" seems like the ideal size for a Na rx7
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Old Dec 20, 2006 | 10:17 PM
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From: gilbert, arizona
2.5 to 2.25 for each sid of the y
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Old Dec 20, 2006 | 10:21 PM
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From: montclair
Question going single exhaust

going single exhaust

Headers strait out to a single exhaust what would be the best size??
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Old Dec 21, 2006 | 06:51 AM
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From: Murfreesboro, TN
Originally Posted by Daveros
going single exhaust

Headers strait out to a single exhaust what would be the best size??
So did you just miss the previous posts in this thread or what...?
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Old Dec 21, 2006 | 09:53 AM
  #6  
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From: montclair
didnt help

i need to know what size pipe i should put... is 2"1/2 good?
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Old Dec 22, 2006 | 06:58 PM
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From: montclair
with or with out a cat??
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Old Dec 22, 2006 | 07:08 PM
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2" 1/2 is perfect for an n/a anything bigger youll loose power. With or without a cat is your decision. Without it will be louder, make your eyes cry from the fumes, and not able to pass emmisions.
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