Help a brother out please

[HondaCivicEx98]

Sorry this is not forced induction related.
but i try other board and not much reponse.
anyway, i just finish installing a DC 421 two piece header. I kept hearing a leak noise.
Dont know where is at but can someone confirm me if is there any gasket at the joint of the exhasut manifold and the A pipe?
Right now it doesnt have one. the stock dont have one neither.
So anyone help me out.
thanks

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Rick

[Max Psi GSR]

Id say a MISSING gasket is probably 101% your problem......Go buy one, or get a ONE PIECE header.

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1996 Acura Integra GSR, JRSC@9psi, Drag raced WEEKLY, Autocrossed MONTHLY, and ALWAYS DAILY DRIVEN! [email protected] in the 1/8th, shootin for 8.3's with the 9psi and M/T's!

[newgsrdriver]

Inspect closely and pinpoint where the leak is.

Did you snap any studs putting it on? Is the donut gasket on? Did you replace the exhaust manifold gasket/was it torn?

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1995 Milano Red GSR
H/A & H/T Teg Forum Mod

The darkside is the only side!!!

[JRCivic]

There should have been a pair of metal rings that fit into two recesses in the "A" pipe... they are called crush washers. If you did not put these in... there is your leak. The original ones will be nearly flat so they will be hard to spot.


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'93 Civic Si H/B with B18C1, JRSC @ 8psi
Best 1320: 12.68 at 110 mph

[HondaCivicEx98]

Thanks guys,
Thas what i thought, a pair of flat ring arounf the A pipe. thats the gasket im missing but i just wasnt sure.
thanks for confirming.

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Rick