Dyno question - test pipe before and after
#22
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Nah, no placebo effect... ive had it on once before, took it off and put the stock cat back on. I just recently put it back on not expecting it to feel a bit quicker but it is slightly noticable difference.
#23
A before and after dyno with the test pipe would be nice. You will see a considerable increase in hp since your blown. I would get the A/F checked just in case. Since I've removed my cat, my ass is always covered in black soot .
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