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wanker · 06-01-2015, 04:29 PM

[QUOTE=Æon;3215400]Please explain?

Explain? Test pipes eliminate the catalytic convertor, so there is no emission control. Test pipes are intended purely for track purposes.

I realize modding is fun and we're all looking for more HP, but simply Google LA smog photos from the 50s to appreciate why catalytic convertors are a good thing.

06-01-2015, 04:29 PM	#9 (permalink)
wanker Enthusiast Member Join Date: Apr 2014 Location: San Diego Posts: 443 Drives: 2011 370Z S/T A7 Rep Power: 2901	[QUOTE=Æon;3215400]Please explain? Explain? Test pipes eliminate the catalytic convertor, so there is no emission control. Test pipes are intended purely for track purposes. I realize modding is fun and we're all looking for more HP, but simply Google LA smog photos from the 50s to appreciate why catalytic convertors are a good thing.