Exhaust Rattle on Start Up

skylin3 · 05-14-2017, 10:15 AM

I recently installed the HKS Hi-Power CBE and Berk HFC. I did the exhaust 2 weeks before the cats. For those 2 weeks, everything was fine and I was getting no weird noises. After the cat install, most of the time when I start my car now I get a pretty loud rattle coming from the back end of the car. After the car runs for about 30 seconds, the rattle goes away and doesn't come back again until after I let the car sit for a while and come back out and start it up again. Does anyone have any ideas what this might be?

wanker · 05-14-2017, 12:15 PM

Did you remove the emission canister shield?

skylin3 · 05-14-2017, 02:40 PM

Quote:

Originally Posted by wanker

Did you remove the emission canister shield?

I'm not sure what that is honestly.

05-14-2017, 10:15 AM	#1 (permalink)
skylin3 Base Member Join Date: Apr 2016 Location: Oklahoma Posts: 18 Drives: 11 370z GM M6 Rep Power: 9	Exhaust Rattle on Start Up I recently installed the HKS Hi-Power CBE and Berk HFC. I did the exhaust 2 weeks before the cats. For those 2 weeks, everything was fine and I was getting no weird noises. After the cat install, most of the time when I start my car now I get a pretty loud rattle coming from the back end of the car. After the car runs for about 30 seconds, the rattle goes away and doesn't come back again until after I let the car sit for a while and come back out and start it up again. Does anyone have any ideas what this might be? __________________ Stillen G3, HKS Hi-Power Cat Back, Berk HFC

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05-14-2017, 12:15 PM	#2 (permalink)
wanker Enthusiast Member Join Date: Apr 2014 Location: San Diego Posts: 443 Drives: 2011 370Z S/T A7 Rep Power: 2901	Did you remove the emission canister shield?