Right now I have fab speed test/cat delete pipes connected to fabspeed straight pipes. It's just straight pipes the whole way. I'm getting very loud drone in 6th gear while highway driving. It's maddening! I've got my eyes set on a LOC rev5 system paired with my current test pipes. I've seen this combo a lot and love the sound. I'm looking for any other combos anyone else loves. Wanting that F1 shreeking sound!!!! Thanks for the input!
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