Originally Posted by
32krazy!
anthony the larger exhaust has been proven on just about every car with a turbo setup. on the porsches gains have seen as much as 50 rwhp . downside is much more noise and drone. find the happy medium and you will be happy with the results.
since your oem exhaust is already mandrel bent and fairly large cat delete may be the best bang for the buck
"Proven" to me is a dyno chart showing the increase or a timeslip. As for the cat removal, I'd be up for that.