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Old 02-17-2009, 09:02 PM
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767Jockey 767Jockey is offline
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Join Date: Feb 2005
Cobra Make, Engine: Contemporary, FE, Tremec TKO 600
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By the way, just a heads up to you Contemporary guys out there (and anyone else still running various makes of original equipment restrictive sidepipe mufflers). I'm redoing the mufflers in the sidepipes. I'm having Nick install 3" core 22" Classic Chambered packed mufflers. I sent the sidepipes up to Nick, and he just received them. He hasn't cut them open yet, but a brief preliminary inspection seems to indicate that the core of the original mufflers is actually muchsmaller than 2", perhaps as small as 1 1/2". The restriction on these mufflers must be incredible. Based on some formulas and a true dyno test on the Classic Chambered website done by Kinetic Engineering comparing the Classic Chambered mufflers vs. restrictive unnamed sidepipes, it is reasonable to expect increases in power of up to or maybe even exceeding 100HP and 100 ft. lbs. of torque at peak, AT THE REAR WHEELS! Where can you possible get this kind of ridiculous horsepower increase for the cost of two $75.00 mufflers and a very reasonable labor charge from Nick? I'll post much more on this as the sidepipes get cut up. In the mean time I'll post more pictures and a progress report when I get back home. Pitchers and catchers have reported, the Cobra's can't be far behind! More to come in a few days.
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