exhaust popping sound

kinkyllama · Post by **kinkyllama** » Mon Apr 25, 2005 9:44 pm

Its never done it before... but after saturdays track event it started doing it. Usualy only when start from a dead stop. Im just woundering why its doing this b/c it never used to and ive had the muffler on there for like 5k miles now or more. The popping isnt loud but its noticable.

Any ideas?

lanos2001 · Post by **lanos2001** » Mon Apr 25, 2005 9:48 pm

maybe you broke it in or just broke it.

couldn't tell you for sure go to a local exhaust shop and see what they say.

nick

MMamdouh · Post by **MMamdouh** » Mon Apr 25, 2005 11:19 pm

maybe the popping is from a hole or a crack in the exhaust system.

as a fast way to know if you got a hole or a crack; block the exhaust tail pipe with a rag or so while the car is idling... if you got a hole you will hear the exhaust rushing out of it wish a big noise like... WOOSSSSHHHHHHHHH

MMamdouh

AcingTeam · Post by **AcingTeam** » Mon Apr 25, 2005 11:56 pm

Maybe since you added an intake system, it made more flow, and now your exhaust sound broke in even more and it's making a popping sound? Get us a sound sample.

kinkyllama · Post by **kinkyllama** » Tue Apr 26, 2005 1:53 am

AcingTeam wrote:Maybe since you added an intake system, it made more flow, and now your exhaust sound broke in even more and it's making a popping sound? Get us a sound sample.

It'd be too hard to get a sound sample.. even if i knew how to do it. lol.

Im just woundering. Im planning on redoing the exhaust anyways i just need to learn how to weld

haha.

Actually ill probably change this post into being about redoing my exhaust so i dont take up more stuff.

Im planning on doing a full 2.25 or 2.5 piping from the cat back and instead of going over the axle im going to go under it and have the muffler angle out

ubuyau · Post by **ubuyau** » Wed Apr 27, 2005 11:54 am

It can be running too rich and unburnt fuel is popping in the exhaust.

Since your engine is breathing better it may be running richer???

My car does it a bit but only inbetween gears and when sharply releasing the accelerator. Not concerned...

--Tim

TheGreatAndPowerfulOz · Wed Apr 27, 2005 11:58 am

ubuyau wrote:It can be running too rich and unburnt fuel is popping in the exhaust.

Since your engine is breathing better it may be running richer???

My car does it a bit but only inbetween gears and when sharply releasing the accelerator. Not concerned...

--Tim

ubuyau - Do you have an aftermarket exhaust? If so, that popping you hear between gears means you do not have enough back pressure and you could burn the exhaust valves.

ubuyau · Post by **ubuyau** » Wed Apr 27, 2005 12:03 pm

Yeah, I do have an aftermarket exhaust but i have turbo so backpressure is not an issue

It is only a tiny 2inch cat back with straight thru cannon muffler. Now i have a 2.5inch turbo down pipe and flex back to the OEM cat too.

Should be right i think...

--Tim

TheGreatAndPowerfulOz · Wed Apr 27, 2005 12:11 pm

Oh ok ... didn't realize you had a turbo.

woo · Post by **woo** » Wed Apr 27, 2005 2:42 pm

my car pops, but thats because i have heaps of holes in my exhaust, ive had it fixed twice but the guys at carline are crap. Its only a 2' so there is no backpressure problem

kinkyllama · Post by **kinkyllama** » Wed Apr 27, 2005 4:21 pm

Its probably b/c of the holes then.. ive been noticing more and more of them.

woo · Post by **woo** » Wed Apr 27, 2005 4:23 pm

now you have an excuse to get a better exhaust

kinkyllama · Post by **kinkyllama** » Wed Apr 27, 2005 4:24 pm

Yeah.. im either going to find a trusty exhaust place or learn how to weld

woo · Post by **woo** » Wed Apr 27, 2005 4:25 pm

....trusty exhaust place

kinkyllama · Post by **kinkyllama** » Sun May 01, 2005 4:12 am

well the normal popping went away for the most part. But today i gunned it for a green light, downshifted and hit the brakes to turn and BOOM... very very loud pop went out.

Do you guys think i should go with 2.25 or 2.5 exhaust piping? If i do 2.25 i can go with a muffler i like...