I've been combing over you tube videos of exhaust sound threads to determine what's my best move. Love the Corsa Extreme with a X pipe, but my question revolves around hp/tq gains or losses. There doesn't seem to be a large consensus in threads that the larger pipe and loss of backpressue will...
I just purchased a new 2016 GT PP, that has the pZero summer tires. I've heard the same pop when in reverse, backing up to the left. I too thought it sounded like a front wheel drive cv joint popping. Did it in extreme cold.