RedAustinIX

iTrader: (2)

Hello --

I just installed a Fujitsubo RM-01A on my Evolution IX. I found that after driving and parking, while the exhaust is cooling down, the exhaust tip makes a "ding" sound every 10 seconds or so. It sounds like someone's tapping a bell -- not too loud, but definitely noticeable (my wife said "what's that sound?") It only happens for a few minutes or so until the car's cooled down. I'm guessing it's just expansion/contraction of the metal, but still... a bit strange.

Does anyone else's exhaust makes this sound? Is it normal? Maybe my exhaust hanger clamp is too loose/too tight?

I doubt that it's a big deal, but thought I'd ask...

BTW...I tried searching under exhaust and "bell" "ding" "ring" and didn't find anything.

Thanks,
RedAustinIX

mdsevo06

iTrader: (41)

Normal. The intervals will change, with different wall thickness.

TeKiZeRo

iTrader: (25)

When metals get hot they expand. The noise is from the metal contracting because its cooling down. My exhaust does the same thing.

RedAustinIX

iTrader: (2)

Great guys... thanks. That puts my mind a little bit more at ease

RedAustinIX

EVOclub4

iTrader: (4)

yeah i think it's due to expansion/contraction of the metal...

it's nothing minor...nor major

Asmodeus6

iTrader: (7)

My SS heatshield does this.

It hits a bell-eske note as well.
Ting!