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      12-20-2019, 08:18 AM   #187
iBrakeLate
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Drives: 2020 M2 Competition
Join Date: Dec 2019
Location: Miami

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Quote:
Originally Posted by Cannondale900 View Post
It's not the exhaust that produces the crackles and pops but instead the engine tune that squirts some fuel in to the cylinder on the cylinder's exhaust cycle. This unburnt fuel hits the hot exhaust gases and then ignites. I like the brrrp on the overrun when shifting gears on hard acceleration but I've grown to hate the crackles and pops on deceleration.
Most of the exhausts seem to makes the crackles louder. I just got the car yesterday, but I can't imagine the car crackling like that with the stock exhaust? Most of these aftermarket systems do not have resonators or center mufflers, I assume that is what keeps the stock system crackle free ?