sputtering exhaust? - TriStateTuners.com :: Home of Tristate Auto Enthusiast

ianblack06 · 08-28-2007, 01:34 PM

i have an invidia n1 catback with a resonator, and an invidia v2 catless downpipe on my 06 sti. after driving it fairly hard it idles as normal but a second later the muffler sputters hard for a few seconds. i can hear it from the driver seat as well. is this an exhaust leak? any similar experiences? its really bothering me as well as making me nervous

redwrxwagon02 · 08-28-2007, 02:52 PM

what do u mean the muffler sputters?

SexyDSM95 · 08-28-2007, 02:53 PM

If it was an exhaust leak you would notice it right away. Not after you drive it hard or get on it.

ianblack06 · 08-29-2007, 01:49 AM

the exhaust note is clean and crisp and then it sputters, almost as the exhaust flow is being partially blocked

**TROLL** · 08-29-2007, 01:52 AM

loud pop or rumbling right after you lift off the throttle? if so thats an afterfire. if there's a constant ticking or exhaust sound at idle from under the car then thats an exhaust leak.

ianblack06 · 08-29-2007, 01:56 AM

its neither of those, it idles like normal and then puff puff puff like its gonna die, but the rpms dont drop

Honest_Bob · 08-29-2007, 05:25 AM

Hey, I remember you mentioning this on Thursday. Do you have an aftermarket blow off valve?

ianblack06 · 08-29-2007, 09:48 AM

no bov, next time i see u i'll let u check it out. i guess its not that big of a deal (at least i hope not) its just really annoying

redwrxwagon02 · 08-29-2007, 11:47 AM

you could be hearing your engine comig under load for your fans cycling on idk just throwing that out there

08-28-2007, 01:34 PM	#1
ianblack06 Tri-State Aficionado Join Date: May 2007 Location: easton, PA Member #4631 My Ride: 2006 subaru sti iTrader: (0)	sputtering exhaust? i have an invidia n1 catback with a resonator, and an invidia v2 catless downpipe on my 06 sti. after driving it fairly hard it idles as normal but a second later the muffler sputters hard for a few seconds. i can hear it from the driver seat as well. is this an exhaust leak? any similar experiences? its really bothering me as well as making me nervous

08-28-2007, 02:52 PM	#2
redwrxwagon02 Tri-State Post Whore Join Date: Mar 2007 Member #4044 iTrader: (0)	what do u mean the muffler sputters? __________________ oh thanks!

08-29-2007, 05:25 AM	#7
Honest_Bob TST Ruined My Life! Join Date: Dec 2005 Location: Easton, PA Member #1179 My Ride: 05 WRX Wagon iTrader: (2)	Hey, I remember you mentioning this on Thursday. Do you have an aftermarket blow off valve? __________________ To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures.

08-29-2007, 11:47 AM	#9
redwrxwagon02 Tri-State Post Whore Join Date: Mar 2007 Member #4044 iTrader: (0)	you could be hearing your engine comig under load for your fans cycling on idk just throwing that out there __________________ oh thanks!

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08-28-2007, 02:53 PM	#3
SexyDSM95 Tri-State Post Whore Banned Join Date: Feb 2005 Location: Glenside, PA Member #188 iTrader: (1)	If it was an exhaust leak you would notice it right away. Not after you drive it hard or get on it.

08-29-2007, 01:49 AM	#4
ianblack06 Tri-State Aficionado Join Date: May 2007 Location: easton, PA Member #4631 My Ride: 2006 subaru sti iTrader: (0)	the exhaust note is clean and crisp and then it sputters, almost as the exhaust flow is being partially blocked

08-29-2007, 01:56 AM	#6
ianblack06 Tri-State Aficionado Join Date: May 2007 Location: easton, PA Member #4631 My Ride: 2006 subaru sti iTrader: (0)	its neither of those, it idles like normal and then puff puff puff like its gonna die, but the rpms dont drop

08-29-2007, 09:48 AM	#8
ianblack06 Tri-State Aficionado Join Date: May 2007 Location: easton, PA Member #4631 My Ride: 2006 subaru sti iTrader: (0)	no bov, next time i see u i'll let u check it out. i guess its not that big of a deal (at least i hope not) its just really annoying