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Old 12-14-2007, 05:57 AM
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Exhaust Recommendations

Okay... Im trying to decide. What is the best exhaust for performance. Im going with a 4" but I dont know if I should have straight pipe or muffler. I've been told straight pipe is the best but I figured I go to the pros for the true answer.

thanks,
Army Fireman
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Old 12-14-2007, 06:00 AM
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Magnaflow or MBRP get my vote. Look at our site sponsors, Raul at Stealth Auto has some very attractive prices.

I have dynoed with and without a muffler in my 4" system and there was no difference at all. Most of the mufflers are flow through, I know mine was. It looks like a glasspack inside.

Without the muffler it sound much more manly, at least my wife said that. What a boost for the ego of a husband. I love her.
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Old 12-14-2007, 06:02 AM
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depends on your personal preference, grandrock makes a straight-thru thats hardly any different sounding than stock
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Old 12-14-2007, 06:03 AM
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Really, anything 4" and above is good. Some have quoted a slight drop in lowend with a 5" but it's not much to worry about. Depending on your area, you could go the cheap route and just get an aluminized Steel exhaust for about $250-300 in either 4" or 5"....and on the other side of the spectrem you can shell out about $800-ish for a 304 Stainless exhaust. I went the cheap route and picked up a 5" Aluminized for about $300, modified it a little and I have it straightpiped with the tip just before the rear tire. All will perform about the same assuming you get a full turbo back exhaust that comes with a down pipe.

Ohhh...and
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Old 12-14-2007, 06:05 AM
Ole White

 

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just depends how loud you want it I like to hear mine and I think you hear the turbo more without the muff.
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Old 12-14-2007, 06:23 AM
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4in with a free flow muffler sounds as close to 'stock' volume as any. Aluminized will be just fine for your location.
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Old 12-14-2007, 10:21 AM
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the Silverline Exhausts sound awesome on the PSD's.
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Old 12-14-2007, 10:27 AM
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hey dude i already linked you to the mbrp at extreme diesel awesome deals with a free 5inch tip it would sound wicked on ur psd:
MBRP 4-Inch Turbo-Back Aluminized Exhaust System - MBS620
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