looking to put on a turbo exhaust... thinking 3in piping but is that too big? 2 1/2 better?

looking to put on a turbo exhaust... thinking 3in piping but is that too big? 2 1/2 better?

 

I'm no expert, plus - there's a LOT of different opinions on stuff like this. You probably don't NEED 3" until you get to about 300hp. If you have plans to upgrade to that level in the near future - then yeah, put the 3 in now. BUT, often free-er flowing exhaust will rob torque from the the low end. keep that in mind for whatever kinda driving you plan to do. Also, it is important not to have too many changes in diameter in the exhaust - so, whatever the downpipe exit diameter is should priobably be maintained all the way to the muffler.

 

the guys at www.nasioc.com have entire forums on this stuff and in addition to the great info from folks here -there may be an FAQ over there that would be good reading.

You probably don't NEED 3" until you get to about 300hp

 

hey thanks for the advice.. I'll check out that website... and yea I do plan on eventually getting up to 300 hp ;-)