Exhaust rumble

LoverOfCivics · 05-23-2007, 03:11 AM

Ive tryed searching for this but couldnt find anything i know that ever since i got the cat back i can hear that rumble in my exhaust at low rpms when i let off the gas and ive read in other forums that its unburned gas or something like that , but now today i just heard my third backfire its a kinda loud pop but i like it

any thoughts? whats making it do this?

Kidekat · 05-23-2007, 07:08 AM

Quote:

Originally Posted by LoverOfCivics

Ive tryed searching for this but couldnt find anything i know that ever since i got the cat back i can hear that rumble in my exhaust at low rpms when i let off the gas and ive read in other forums that its unburned gas or something like that , but now today i just heard my third backfire its a kinda loud pop but i like it

any thoughts? whats making it do this?

I'm gonna guess unburnt gas on hot exhaust components as well.

Or your spark plug gap is too small, an it's getting blown out during compression strokes?

1stk20z3 · 05-23-2007, 07:14 AM

mine rumbles and i love it!

LoverOfCivics · 05-23-2007, 02:33 PM

yeah i love mine but whats causing the back fire? just alot of gas build up at one time?

Dans_Si · 05-23-2007, 03:05 PM

I miss the rumble my WRX made...

05-23-2007, 03:11 AM	#1 (permalink)
LoverOfCivics Senior Member Join Date: Apr 2007 Location: Dallas Texas Age: 19 Posts: 1,229 Javier iTrader: 0 / 0%	Exhaust rumble Ive tryed searching for this but couldnt find anything i know that ever since i got the cat back i can hear that rumble in my exhaust at low rpms when i let off the gas and ive read in other forums that its unburned gas or something like that , but now today i just heard my third backfire its a kinda loud pop but i like it any thoughts? whats making it do this?

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05-23-2007, 07:14 AM	#3 (permalink)
1stk20z3 Senior Member Join Date: Apr 2006 Location: Hawaii Age: 20 Posts: 1,815 Casey iTrader: 0 / 0%	mine rumbles and i love it!

05-23-2007, 02:33 PM	#4 (permalink)
LoverOfCivics Senior Member Join Date: Apr 2007 Location: Dallas Texas Age: 19 Posts: 1,229 Javier iTrader: 0 / 0%	yeah i love mine but whats causing the back fire? just alot of gas build up at one time?

05-23-2007, 03:05 PM	#5 (permalink)
Dans_Si Senior Member Join Date: Apr 2007 Location: Good Old Kane Co. IL Posts: 152 iTrader: 0 / 0%	I miss the rumble my WRX made...