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05-16-2016, 12:31 PM | #1 |
Scooby Newbie
Member#: 444994
Join Date: Apr 2016
Chapter/Region:
SCIC
Vehicle:2014 WRX Hatch White |
14 WRX Exhaust Pop during hard shift
Hey guys, I noticed my car was getting an after fire pop from exhaust during hard shifts around the 5K rpm range with stock bpv. I loved it
I recently switched to a turbosmart kompact 100% recirculate bpv. It sounds like it's function perfectly, but now I get the afterfire pops during shifts around 3K rpm, even if they're not that hard of a shift. They're super loud like fire crackers being dropped behind the car! Is this anything to worry about? It goes away if I put the stock bpv back on. 2014 WRX modded: Cobb Intake, Invidia Q300 Catback, Invidia Catless DP, Grimspeed 3 port, stock intercooler, stock bpv/turbosmart kompact bpv, bren tuning protune.
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05-16-2016, 12:36 PM | #2 |
*** Banned ***
Member#: 296742
Join Date: Oct 2011
Chapter/Region:
NESIC
Location: RI
Vehicle:'16 STI, '11 WRX, '96 328i DSP |
Normal.
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05-16-2016, 03:57 PM | #3 |
Scooby Newbie
Member#: 444994
Join Date: Apr 2016
Chapter/Region:
SCIC
Vehicle:2014 WRX Hatch White |
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05-16-2016, 04:16 PM | #4 |
Scooby Specialist
Member#: 75547
Join Date: Nov 2004
Chapter/Region:
SCIC
Location: San Diego, CA
Vehicle:2016 STi-ICE Silver Subaru Ambassador |
This is 100% normal when running aftermarket BPV's.
Going cat less only makes even more pronounced and louder. If you are running super rich, you may see some slight flame bursts. Afterfire gets you chicks!!! |
05-17-2016, 11:14 AM | #5 |
Scooby Newbie
Member#: 444994
Join Date: Apr 2016
Chapter/Region:
SCIC
Vehicle:2014 WRX Hatch White |
haha touche! If you heard mine it sounds like fire crackers out the back. probably am shooting flames.
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05-17-2016, 11:24 AM | #6 |
*** Banned ***
Member#: 296742
Join Date: Oct 2011
Chapter/Region:
NESIC
Location: RI
Vehicle:'16 STI, '11 WRX, '96 328i DSP |
If you need a car to get chicks, you're doing it wrong.
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05-17-2016, 11:37 AM | #7 |
Scooby Newbie
Member#: 444994
Join Date: Apr 2016
Chapter/Region:
SCIC
Vehicle:2014 WRX Hatch White |
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05-17-2016, 12:16 PM | #8 |
Scooby Specialist
Member#: 149347
Join Date: May 2007
Chapter/Region:
NESIC
Location: Tolland, CT
Vehicle:05 LGT ,09 SpecB Black/silver |
Have you talked with your Tuner about this ?
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05-17-2016, 06:40 PM | #9 |
Scooby Newbie
Member#: 444994
Join Date: Apr 2016
Chapter/Region:
SCIC
Vehicle:2014 WRX Hatch White |
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05-18-2016, 04:13 PM | #10 |
Scooby Newbie
Member#: 444994
Join Date: Apr 2016
Chapter/Region:
SCIC
Vehicle:2014 WRX Hatch White |
ended up going back to stock to remedy the situation
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05-18-2016, 05:53 PM | #11 |
Scooby Guru
Member#: 268310
Join Date: Dec 2010
Chapter/Region:
SCIC
Location: So Kali
Vehicle:2011 SSM STI saloon Church! |
You have the exact list of mods my buddy does on his '11 STI. His car afterfires after each shift when he's on it too. Nothing to worry about. I have the same list of mods as well, except my downpipe is catted, so my car doesn't afterfire nearly as often.
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05-19-2016, 11:49 AM | #12 |
Scooby Newbie
Member#: 444994
Join Date: Apr 2016
Chapter/Region:
SCIC
Vehicle:2014 WRX Hatch White |
Well that's good to know! Thanks
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05-19-2016, 02:41 PM | #13 | |
Scooby Specialist
Member#: 75547
Join Date: Nov 2004
Chapter/Region:
SCIC
Location: San Diego, CA
Vehicle:2016 STi-ICE Silver Subaru Ambassador |
Quote:
When I did the turbo upgrade and fuel upgrades, my car shot flames. It used to scare the crap out of people on the freeway. |
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