Originally Posted by Loyale93
If you change your turbo you'll need to get a new washer fluid pump and headlights as well. Be sure to factor that into your cost analysis.
You forgot that he's going to have to change the muffler bearings. Are you trying to let this kid blow his car up!?
Really though. A pipe is a pipe. You aren't going to see any horsepower difference between the big name brands. Just pick the one that has the most "good fitment" reviews that's the cheapest.