Anyone with HFC or Test Pipe regrets?

NEEZMO

Obviously the stain is most noticable with white cars. My test pipes stain my bumper very bad. Use Meguiars paint restoration which takes it right off. I have HFC on the way which will hopefully reduce it. The exhaust smell does get annoying at times. I have FI CBE and HFC on the way. Should make my car sound so much smoother although i'll def lose some power going from straight pipes to this

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2012 Nismo 370z, Stillen Gen 3 Intake, AAM Short Tail Exhaust, GTM Test Pipes, Uprev Tune. 322whp 289tq