Quote:
Originally Posted by Sakudog
Happy to answer this question.
The car is quieter than stock in Stealth, all you hear is the headers clicking away at the front of the car. The car in Sport/Track is slightly quieter than stock at any RPM as long as there is light load on the engine. Once the exhaust gas velocity increases past a certain point, the X-pipe/Muffler/Magnaflow thing just doesn't silence much and things get ROWDY. At full tilt the car is louder (just slightly) than a stock ZL1 1LE but with a much more high pitch tone, no resonation, the "Riffle Shot" sound is totally out of the exhaust. I'd say the best way to describe it is the exhaust sounds more like an LS7 than an LT4 with this setup. So even though it's louder than stock with this setup at WOT, it's a more ear pleasing loudness to me and most I've had check it out.
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To add to the feedback on adding the MF Xmuffler to LT headers and the stock suitcase, coming out of turn 3 at NCM at WOT I used to be at 104 to 105 dB. Now with the addition of the MF X muffler I am at 98 to 99.