Is this normal?
Since I got my SSI's and Dansk 2 in 1 out on the car I have sometimes noticed a slight "popping" from the exhaust pipe when I lift off my foot from the gas pedal at perhaps 3000 rpm in second. I often also get a loud "bang" from the exhaust when changing gear under maximum acceleration.
I thought "popping" only occured on modified turbos?
Is this normal?
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