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Old 03-05-2001, 08:48 PM   #1
Scooby Specialist
Member#: 4463
Join Date: Feb 2001
Location: Boca Raton, FL
2000 Impreza RS
Blue Ridge Pearl

Post Exhaust, before or after turbo?

I am going to put a T3/T4 Turbo with I/C on my 2000RS eventually.I am going to be running about 7psi.Well to get to the point.I want to know if it would be benificial to get a 2.5"cat-back now? Or would it loose alot of torque for the time being?
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Old 03-05-2001, 08:52 PM   #2
Scooby Specialist
Member#: 949
Join Date: Feb 2000
Chapter/Region: Tri-State
Location: NJ
06 F2000
Speed Triple


i did not percieve a loss in low end power with the addition of a 2.5 catback (scoobysort/rallispec combo). this is a good size exhaust for your application. though i will be going to a 3" when i turbo the car next month.
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