Has anyone done a muffler delete on their XLR? If so, does it hurt or help horsepower? If you did delete, did you use tips off exhaust or buy new tips? I want to try this route before spending $2000 on Corsa or Magnaflow. Any help will be greatly appreciated.
I do not have any answers to your specific questions... but one thing to consider is cabin drone when you remove the mufflers... something to consider.
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