Just installed my stainless steel 2pc 4-2-1 header yesterday. when i started it up everything sounded fine. then when i started revin it started to sound like ****. at first i thought it was coming from between the header and downpipe but i couldnt hear it from the engine bay so i looked under the car and told my friend to rev it and it sounded like it was leaking through the flexpipe..and i noticed it smells like crap! when i drive around town without giving too much gas you cant really hear it but when i punch it you can hear the hissing sound from under the car. i was wondering if its possible to just replace the flexpipie ?

oh yea this is on a 93 accord lx 4dr


Modified by 2.2L at 6:34 PM 2/25/2004

 

are you sure its not coming from the flange? sometimes if the header is cheap, the flange is a little warped . is the exhaust gasket still in good shape? what kind of header?

 

Im thinking gasket

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boonacka &raquo;</TD></TR><TR><TD CLASS="quote">are you sure its not coming from the flange? sometimes if the header is cheap, the flange is a little warped . is the exhaust gasket still in good shape? what kind of header? </TD></TR></TABLE>

some generic header...but yea ill probably bring it to a muffler shop and let them get under the car and see whats up

im pretty sure its not the gasket between the collector and the cat cause i just put a new gasket...

 

if it is the flex pipe have it cut out and a new flex pipe welded in....

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by v4lu3s &raquo;</TD></TR><TR><TD CLASS="quote">if it is the flex pipe have it cut out and a new flex pipe welded in....</TD></TR></TABLE>

yea, hopefully my local muffler shop can do this

 

you just need to go to a muffler shop and have them do it.

they should have sized up to 2.5inch, if not, order it online, kteller8 sell those flex pipe.

they cost about30-35, 5 dollar for cut and weld i guess.

 

Ummmm went to one of my local muffler shops and they said it wasnt a leak and that i should just leave for like 2weeks then the noise will go away?? im pretty sure its a leak...so 2morro im going to the other local muffler shop and have them check it out...also what if i use that header wrap stuff on my flexpipe?? will that work??

 

I don't know about the sound, but maybe the smell is from the greese they used to bend the pipes. When I first put my catback on, it had a funny smell and thats what the manufacture told me about the greese and in like 3 days or so, the smell went away.

 

header wrap woundn't do anything for leaks..

if you want to know where exactly is the leak, park your car in puddle of water, have a buddy hit the gas alittle, you'll see where the gas is shooting out of.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by iam7head &raquo;</TD></TR><TR><TD CLASS="quote">header wrap woundn't do anything for leaks..

if you want to know where exactly is the leak, park your car in puddle of water, have a buddy hit the gas alittle, you'll see where the gas is shooting out of.</TD></TR></TABLE>

Yea, Ill try something like that...need to get rid of that annoying *** sound!!!

 

is it a high pitched noise?