.:HSTuners::

09-21-2003, 06:43 AM

Hey guys, i had time to install my dc sports headers. it was pretty simple and didnt take long, but when i finished up and started the car, it sounded fine, but when i drove it around, this really nasty rattling sound is heard, and its in the header area also. im pretty sure i tightened EVERYTHING, i even made sure to tighten the other exhaust bolts. any ideas or experiences?

Also, about the catalytic converter, is it bad for water to enter the converter? When i was doing the headers, the old ones were hot, but not just off the engine hot, so i decided to cool it off by spraying water, but i took the O2 sensor off, and some water got in the downpipe (which i found out when i got it off *tastes nasty*) . I thought i'd be okay since the exhaust heat would dry it all up.

09-21-2003, 07:57 AM

recheck everything.....seems like something loosened up

ebpda9 · 09-21-2003, 03:04 PM

sounds more like a an exhaust/heat shield leak to me.

blind34_1 · 09-22-2003, 03:58 PM

possibly the water caused warpage? seems far fetched though...

did you remember an exhaust gasket?
could be a toasted cat, they make nasty rattling sounds and certain rpms.

09-21-2003, 06:43 AM	#1
rakugaki Posts: n/a	Header rattle/ catalytic converter Hey guys, i had time to install my dc sports headers. it was pretty simple and didnt take long, but when i finished up and started the car, it sounded fine, but when i drove it around, this really nasty rattling sound is heard, and its in the header area also. im pretty sure i tightened EVERYTHING, i even made sure to tighten the other exhaust bolts. any ideas or experiences? Also, about the catalytic converter, is it bad for water to enter the converter? When i was doing the headers, the old ones were hot, but not just off the engine hot, so i decided to cool it off by spraying water, but i took the O2 sensor off, and some water got in the downpipe (which i found out when i got it off tastes nasty) . I thought i'd be okay since the exhaust heat would dry it all up.

09-21-2003, 03:04 PM	#3
ebpda9 Repost Wagon Join Date: Dec 2001 Location: over here Age: 43 Posts: 17,266	sounds more like a an exhaust/heat shield leak to me. __________________

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09-21-2003, 07:57 AM	#2
vtracer20 Posts: n/a	recheck everything.....seems like something loosened up

09-22-2003, 03:58 PM	#4
blind34_1 Registered User Join Date: May 2002 Location: IL Age: 39 Posts: 1,813	possibly the water caused warpage? seems far fetched though... did you remember an exhaust gasket? could be a toasted cat, they make nasty rattling sounds and certain rpms.