Hi i currently have a 98 firebird v6 3.8 and im trying to get a e-cutout the only issue is i dont know what size to order? I have had mixed answers some are saying 2.5" and 2.25", my car is completly stock and has had no moifications to it so it would be the stock pipe ?
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Anyone who has a 98 firebird 3.8 please give advice!!!!
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Re: Anyone who has a 98 firebird 3.8 please give advice!!!!
from the exhaust sticky:
What Size Are The Parts Of My Exhaust?
Y-pipe- 3.8L = 3" / 3.4L = 2.5"
Catalytic Converter - 3.8L= 3" in / 2.25" out / 3.4L = 2.5" in / 2.25" out
S-pipe - entirely 2.25"
I-pipe - entirely 2.25"
Over-Axel pipe - entirely 2.25"
V8's have 2.5" Exhaust
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