Quote:
Originally Posted by WARP TEN
I did the same thing as George on my '95--no cats, full '95 stock cat back with cutouts in front of the rear mufflers. No drone with the cutouts closed; can't tell with them open. The Corsa system also has no drone. The early Borlas, Power Effects, Desert Development and others had a lot of drone because none but the stock and Corsa systems had the requisite Helmholtz resonators to attenuate the two frequencies that cause the drone at 1800 and 3400 rpms. Not familiar with current systems. After years with loud exhausts (mostly corsas but others too) I was happy to have the no-drone stock system with the option to go full open exhaust with the cutouts.--Bob
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Bob,
You have made one of the best systems available.
Great job!
You are also spot on regarding the effectiveness of the Helmholtz technology.
I believe Billy Boat ( B&B ) uses that same technology in their Fusion Exhaust Systems, which also incorporates the special " Warp Ten Technology " of the Dual Modes.
Marty