Does your stock BRZ make pops and crackle sounds? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

SamtheKorean · 08-17-2019, 10:28 PM

Hey guys i have a stock 15 brz, only mods i have done is, top speed pro axle back and catless srs frontpipe. My car sometimes would give a really loud pop when downshifting 3rd to 2nd and 2nd to 1st? It’s not even due to revving hard, i just rev match every downshift and i prob blurb to 2500-3000 rpm. Is there a solid reason why it’s only popping once in awhile? it sounds really nice and loud but only hear it like once or twice a day haha.

Joveen · 08-17-2019, 10:42 PM

I get the same thing too. Mine is remark axleback and circuitwerks dual resonated front pipe. Loud and pops like shot gun when I downshift.

Sent from my SM-N960U using Tapatalk

Lantanafrs2 · 08-18-2019, 12:28 AM

Any leaks?

SamtheKorean · 08-18-2019, 12:29 PM

Quote:

Originally Posted by Lantanafrs2

Any leaks?

I don’t think so but i would be getting under the car soon to see if the bolts are loose. i do have some rattle but i’m guessing it’s the front pipe rubbing on overpipe heat shield.

Clipdat · 08-18-2019, 03:29 PM

You revmatch downshift into 1st?

strat61caster · 08-18-2019, 04:02 PM

Did you buy the car used? Was it tuned?

Every time I hear a pop I'm terrified of direct injector seals failing but that's not a problem on later cars.

RToyo86 · 08-18-2019, 07:04 PM

With a Corsa I sometimes get burbles and pops on overrun. If I hold the throttle at a specific point on decel it'll start doing it. During the summer in hot weather, and ice cold winter temperatures I notice it even more.

humfrz · 08-18-2019, 07:22 PM

Quote:

Originally Posted by Clipdat

You revmatch downshift into 1st?

If I get your drift, I agree, downshifting (rev match or not) into 1st, anytime the car isn't standing still, is asking for a problem (jolt to the drivetrain).

humfrz

SamtheKorean · 08-19-2019, 01:34 PM

Quote:

Originally Posted by humfrz

If I get your drift, I agree, downshifting (rev match or not) into 1st, anytime the car isn't standing still, is asking for a problem (jolt to the drivetrain).

humfrz

I guess its my bad habit, when im coming to a stop sign i would downshift to 1st around 5-10 mph. i do hear way more pops and crackles 2nd to 1st.

SamtheKorean · 08-19-2019, 01:35 PM

Quote:

Originally Posted by RToyo86

With a Corsa I sometimes get burbles and pops on overrun. If I hold the throttle at a specific point on decel it'll start doing it. During the summer in hot weather, and ice cold winter temperatures I notice it even more.

I guess I can't wait till Virginia winter, i would def hear more if you did the same

SamtheKorean · 08-19-2019, 01:36 PM

Quote:

Originally Posted by strat61caster

Did you buy the car used? Was it tuned?

Every time I hear a pop I'm terrified of direct injector seals failing but that's not a problem on later cars.

i mean i bought it used but i have driven other brz and frs and really couldn't feel any different.

DarkPira7e · 08-19-2019, 01:37 PM

Mine didn't pop/crackle until I had an exhaust leak at the frontpipe.

humfrz · 08-19-2019, 03:11 PM

Quote:

Originally Posted by SamtheKorean

I guess its my bad habit, when im coming to a stop sign i would downshift to 1st around 5-10 mph. i do hear way more pops and crackles 2nd to 1st.

Well, my take is that "pops and crackles" are a sign that the engine is not happy.

Maybe I think that way because back-in-the-day, when an engine sounded like that it was usually because the timing was off or the engine had waaay too many carburetors on it, for the cam to handle -

OR, some idiot was just cutting off the ignition and turning it back on, trying to blow the muffler off -

humfrz

86MLR · 08-19-2019, 06:37 PM

No, because my car was tuned by a pro

08-17-2019, 10:28 PM	#1
SamtheKorean September Join Date: Jun 2018 Drives: 2015 BRZ Location: Virginia Posts: 83 Thanks: 55 Thanked 13 Times in 10 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Does your stock BRZ make pops and crackle sounds? Hey guys i have a stock 15 brz, only mods i have done is, top speed pro axle back and catless srs frontpipe. My car sometimes would give a really loud pop when downshifting 3rd to 2nd and 2nd to 1st? It’s not even due to revving hard, i just rev match every downshift and i prob blurb to 2500-3000 rpm. Is there a solid reason why it’s only popping once in awhile? it sounds really nice and loud but only hear it like once or twice a day haha.

08-19-2019, 06:37 PM	#14
86MLR Senior Member Join Date: Aug 2018 Drives: 2002 VX Commodore SS LS1 Auto Location: Sydney Posts: 2,203 Thanks: 500 Thanked 2,185 Times in 1,111 Posts Mentioned: 13 Post(s) Tagged: 0 Thread(s)	No, because my car was tuned by a pro __________________ Disclaimer: This post represents the official views of the voices in my head at the time of posting. http://www.ft86club.com/forums/showthread.php?t=133311 I'm only here for the biscuits

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08-17-2019, 10:42 PM	#2
Joveen Senior Member Join Date: Mar 2018 Drives: Bone stock Location: Windsor, CT Posts: 776 Thanks: 535 Thanked 234 Times in 164 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	I get the same thing too. Mine is remark axleback and circuitwerks dual resonated front pipe. Loud and pops like shot gun when I downshift. Sent from my SM-N960U using Tapatalk

08-18-2019, 12:28 AM	#3
Lantanafrs2 Senior Member Join Date: Jan 2018 Drives: 2013 frs red Location: South Florida Posts: 3,562 Thanks: 2,568 Thanked 3,126 Times in 1,680 Posts Mentioned: 6 Post(s) Tagged: 1 Thread(s)	Any leaks?

08-18-2019, 07:04 PM	#7
RToyo86 Senior Member Join Date: Mar 2018 Drives: 17 Asphalt 86 Location: Ottawa Posts: 2,385 Thanks: 1,878 Thanked 2,632 Times in 1,286 Posts Mentioned: 16 Post(s) Tagged: 0 Thread(s)	With a Corsa I sometimes get burbles and pops on overrun. If I hold the throttle at a specific point on decel it'll start doing it. During the summer in hot weather, and ice cold winter temperatures I notice it even more.

08-19-2019, 01:37 PM	#12
DarkPira7e Rust bucket enthusiast Join Date: Feb 2017 Drives: 2013 Turbo Firestorm FRS Location: Vermont Posts: 4,029 Thanks: 3,293 Thanked 4,179 Times in 2,100 Posts Mentioned: 33 Post(s) Tagged: 0 Thread(s)	Mine didn't pop/crackle until I had an exhaust leak at the frontpipe.

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