Posting this here to get more people to read it, I also posted in the itr section.

I installed a DC Sports 4-1 header on my 2k1 Integra GSR and now I've got that damned header rattle around 3k rpms. VERY VERY annoying!

I thought it might be the heat shield by the cat, since that is the area it sounds like it is coming from, but unless the cat is moving a good 2 inches there's no way it's hitting that. There was no rattle with the stock header.

The clearance on the oil pan concerns me, it's about 2mm, seams like a very likely place to be hitting, but it doesn't sound like it is coming from there and if it were I would think it would be a very common problem. And I have no clue how that would be fixed.

Everything I read seams to be about older itrs with a stock header, it has been rattling since I put the thing on when it only had 20k miles. Any ideas? or should I just give the people at DC Sports a punch in the stomach?

 

Bump

 

Is your donut gasket still good? May want to try changing the spring bolts to normal bolts.

 

r u sure u even have the o ring gasket on that header, cuz a friend of mine forgot, and we just poped one right on there, and problem solved, or u can go with what ultimatehonda said

 

Mine Rattels due to the stock header holder, it's a metel thing that touchs the exhaust and when it's moving it raddels

 

I know we didn't forget to put the gasket on and I remember it was in good condition, the car only had 20,000 miles on it when I put the header on.

It is bolted to the bracket firmly, I checked it a million times, ok 3 times.

When I get home I'mm going to take all the heat shielding off even it I don't think it is hitting. It was suggested that sometimes it rattles just because it sucks.

 

maybe its one of the heat shields, cuz i took off all my heat shields around the cat and piping area and there was no more rattling.

 

check ur 02 sensor.. might be loose..use lock tight

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PolyPill &raquo;</TD></TR><TR><TD CLASS="quote">I know we didn't forget to put the gasket on and I remember it was in good condition, the car only had 20,000 miles on it when I put the header on.

It is bolted to the bracket firmly, I checked it a million times, ok 3 times.

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That bracket bolts to the block on the other end -- I had a rattle because one of those bolts had gotten lose.

 

Retorque all the bolts.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ultimatehonda &raquo;</TD></TR><TR><TD CLASS="quote">Is your donut gasket still good? May want to try changing the spring bolts to normal bolts. </TD></TR></TABLE>

thats what did it for me

 

check for rocks above the heat shield. That's what was rattling in my car until i got under it and started troubleshooting.

 

Might wanna check to make sure the header bolt didnt come loose. my buddy didnt tighten his enough and now he has the annoying rattle