ok everyone here is a web site that may help.

http://www.bardahl.com/automotive/engine/engine.htm

however, i don't see 'ENGINE QUIET" and this is the same people that makes it. what i'll do is go to Autozone take a picture and post it here.

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ez rider

I thought they said timing the injector pump quietens the diesel down? In any case, I only notice it at idle. Once you get over 1300 rpm, it sounds like any other car. Personally, it never made any difference to me. Just like in the Truck and Vette forums, I never understood why people would buy exhaust parts for a sound. But to each his own.

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01 Ford Excursion Powerstroke
99 E300 Turbodiesel
91 Vette with 383 motor
05 Polaris Sportsman 800 EFI
06 Polaris Sportsman 500 EFI
03 SeaDoo GTX SC Red
03 SeaDoo GTX SC Yellow
04 Tailgator 21 ft Toy Hauler
11 Harley Davidson 883 SuperLow