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azn370z · 05-24-2011, 05:17 PM

I have stock air filter, stock cats, and berks cbe and it did increase the sound. I didn't trim my tube and mine fit perfectly. I noticed the increase in throttle response. I don't think trimming the tube is necessary, it may be a tight fit though. Just bend the tube to get it to fit rather than cutting it. I should also add my z ran a little rough for a couple hundred miles, I guess maybe the ecu was adjusting.

05-24-2011, 05:17 PM	#296 (permalink)
azn370z A True Z Fanatic Join Date: Nov 2008 Location: Seattle Posts: 1,722 Drives: z34 - R1 Rep Power: 490	I have stock air filter, stock cats, and berks cbe and it did increase the sound. I didn't trim my tube and mine fit perfectly. I noticed the increase in throttle response. I don't think trimming the tube is necessary, it may be a tight fit though. Just bend the tube to get it to fit rather than cutting it. I should also add my z ran a little rough for a couple hundred miles, I guess maybe the ecu was adjusting. __________________ 2010 k23 H&R sport springs / Spc rear camber arms / SSR SP1 / Berk cbe / Varis cf lip / Nismo S-Tune side skirts Last edited by azn370z; 05-24-2011 at 05:20 PM.