sti back box
#1
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sti back box
is there anyway of getting a deeper exhaust note from a standard my06 sti back box ie de-cat, only reason i ask is because i like the standard sti back box and dont really want to change it
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Will only affect the warranty on the exhaust, at least that's what I have been told by my main dealer but may be worth checking with yours. I opted for a Scooby parts de-resonator and a Prodrive backbox, sounds much better on my WRX.
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