Volvo AWD 850 Forum

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2.5" downtube, cat and catback okay for stock R? 850 R97

Would going to 2.5" from beginning to the end be okay for my stock setup? I don't think I will be upgrading the ECU but would like to get better low end torque and a less turbo lag with my stock ECU. Would this custom made exhaust cause any problems with the ECU and cause some weird error codes?

Or should I just go with 2.25" downtube and 2.5" catback or just a 2.5 catback?






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New 2.5&quot; downtube, cat and catback okay for stock R? [850][R97]
posted by  someone claiming to be Steve  on Wed Nov 14 10:16 CST 2001 >


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