I too have the Borla. Not too loud, but still sounds great. If you want a more agressive sound a lot of members go with Fast Intentions or ARK. The Stillen exhaust sounds pretty good too. Check out the exhaust section, plenty of info there. Also, an "UpRev" tune on a dyno is going to give you better results. Most people have it done after installing all the bolt on's they want. This is the best way since its specific to your car and mods.
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[09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R]
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