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PG370 · 09-15-2011, 09:49 AM

So I got my HFCs installed and was happy with them at first except that there was a rattling from my y-pipe hitting a support on the bottom. Well I got that fixed and I loved the sound and I definitely felt more power. As of recently though at a certain point when I'm at WOT I hear like a squeaking noise, hs anyone else had this problem or what do you guys think this could be. Btw I have the stillen exhaust as well.

09-15-2011, 09:49 AM	#1 (permalink)
PG370 Base Member Join Date: Nov 2010 Location: Miami Posts: 72 Drives: Nissan 370z MB Auto Rep Power: 15	Berk HFC's problem So I got my HFCs installed and was happy with them at first except that there was a rattling from my y-pipe hitting a support on the bottom. Well I got that fixed and I loved the sound and I definitely felt more power. As of recently though at a certain point when I'm at WOT I hear like a squeaking noise, hs anyone else had this problem or what do you guys think this could be. Btw I have the stillen exhaust as well.