NA Exhaust posted by djrz on June 25, 2008 at 04:41 PM
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The only HP gain you might see would be on a Dyno run. The difference you'll notice on the street is the greatly improved exhaust note while driving an NA. I spent about a year researching and listening to internet video clips and most importantly hearing different exhaust system set-ups at Z meets. There are a few combinations that will change the sound of the exhaust. I went with the LaBree polished stainless steel mufflers and left everything else stock. Reason for this is because the raspy sound of the NA seemed to increase with every additional section of the exhaust system that was replaced. The LaBree system that I heard at an NYZC meet was only the muffler which had an awesome smooth deep rich sound that rumbled without the raspy tone.... plus in my opinion it is by far the best looking true dual tip exhaust on the market. The Stillen that I looked at had a single exit that splits into two (2) exhaust tips. Anyhow best of luck with your decision.
