H pipe with high flow cats
Searched the forum and most info involves off road X or h pipes. I'm looking for information regarding an H pipe with high flow cats specific to the sound. I understand any change to HP is negligible. I have an 11 GT with GT500 Mufflers and the lethal perf over the axle resonator delete. Just wondering how dramatic the sound difference is from the stock H pipe. I don't want raspier. My understanding is the H pipe is deeper than raspier. Not looking to go catless.
Thx in advance.
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