Muffler Delete Lost POwer????? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

mr.brz1234 · 09-19-2017, 11:53 PM

hey i just did a muffler delete and seems like i have lost power? idk maybe its just me anyone else have the same problem?

thanks!!

swarb · 09-20-2017, 02:09 AM

Quote:

Originally Posted by mr.brz1234

hey i just did a muffler delete and seems like i have lost power? idk maybe its just me anyone else have the same problem?

thanks!!

butt dyno needs recalibration
a little bit of both
faster because of weight reduction
slower because bumper is now a parachute
for some people loud "feels faster" because racecar
for some people loud "feels slower" because it makes more noise than before to gain the same speed, therefore you think the engine is working harder

Ganthrithor · 09-20-2017, 02:44 AM

Try putting the muffler back on.

VoltsFRS2013 · 09-20-2017, 02:52 AM

Placebo imo.

I have a PLM Muffler delete and when i hit about 4,500 RPM I feel like im driving a nascar.

new2subaru · 09-20-2017, 07:06 AM

Quote:

Originally Posted by VoltsFRS2013

Placebo imo.

I have a PLM Muffler delete and when i hit about 4,500 RPM I feel like im driving a nascar.

Indeed

8RZ · 09-20-2017, 08:51 AM

Perhaps some back pressure was lost? Could've hurt some low-end torque.

mr.brz1234 · 09-20-2017, 12:08 PM

Quote:

Originally Posted by 8RZ

Perhaps some back pressure was lost? Could've hurt some low-end torque.

yes i think i did lose some torque because when i am around 3rd gear and punch it i feel a little jolt and used to push me back in my seat but now it barley gives me any jolt just slowly rolls into the higher rpm

also my clutch has got light it used to be heavy but it has got lighter i got no idea why ? i dont think back pressure has got anything to do with my clutch

mr.brz1234 · 09-20-2017, 12:09 PM

Quote:

Originally Posted by VoltsFRS2013

Placebo imo.

I have a PLM Muffler delete and when i hit about 4,500 RPM I feel like im driving a nascar.

how you like the plm muffler? does it drone alot?

guybo · 09-20-2017, 09:52 PM

This thread just gave me cancer.

krayzie · 09-20-2017, 11:09 PM

Delete the clutch too.

extrashaky · 09-20-2017, 11:20 PM

Quote:

Originally Posted by krayzie

Delete the clutch too.

Brake delete is more fun.

krayzie · 09-20-2017, 11:39 PM

Quote:

Originally Posted by extrashaky

Brake delete is more fun.

[ame="https://www.youtube.com/watch?v=SM3dET-Onag"]Family Guy Flintstones car chase - YouTube[/ame]

radroach · 09-21-2017, 12:19 AM

I (sort of recently) drove a friend's FRS with a muffler delete and he had just flashed his ecu. In the case I drove, there was a sort of lag between pressing the throttle pedal and getting a response out of the back. So in my case, had a negative experience with it, but I'm guessing would have been much better with the ecu/throttle calibrated.

However I also drove the car before when it was e86 / visconti tune (yes get the pitchforks) / perrin intake / with the muffler delete and the throttle response was amazing.

So, if you've pulled the battery recently or reset your tune, be aware that you might have less throttle response for a bit.

~el~jefe~ · 09-21-2017, 12:16 PM

driver delete?

09-19-2017, 11:53 PM	#1
mr.brz1234 Member Join Date: Aug 2017 Drives: sport-tech Location: ontario Posts: 11 Thanks: 0 Thanked 3 Times in 2 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Muffler Delete Lost POwer????? hey i just did a muffler delete and seems like i have lost power? idk maybe its just me anyone else have the same problem? thanks!!

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09-20-2017, 02:44 AM	#3
Ganthrithor Senior Member Join Date: Feb 2013 Drives: '13 BRZ, '06 997, Other Things(TM) Location: Santa Barbara, CA Posts: 1,078 Thanks: 1,715 Thanked 670 Times in 351 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	Try putting the muffler back on.

09-20-2017, 09:52 PM	#9
guybo Huge E85 fan! Join Date: May 2016 Drives: 2016 Scion FRS Location: Tampa, FL, USA Posts: 1,850 Thanks: 539 Thanked 1,010 Times in 605 Posts Mentioned: 32 Post(s) Tagged: 0 Thread(s)	This thread just gave me cancer.

09-20-2017, 11:09 PM	#10
krayzie Drive From Home Join Date: Dec 2013 Drives: BRZ STI Performance Location: Filth City Posts: 4,912 Thanks: 2,368 Thanked 3,111 Times in 2,007 Posts Mentioned: 30 Post(s) Tagged: 1 Thread(s)	Delete the clutch too.

09-21-2017, 12:19 AM	#13
radroach Senior Member Join Date: Feb 2013 Drives: car Location: usa Posts: 2,162 Thanks: 1,028 Thanked 867 Times in 530 Posts Mentioned: 35 Post(s) Tagged: 1 Thread(s)	I (sort of recently) drove a friend's FRS with a muffler delete and he had just flashed his ecu. In the case I drove, there was a sort of lag between pressing the throttle pedal and getting a response out of the back. So in my case, had a negative experience with it, but I'm guessing would have been much better with the ecu/throttle calibrated. However I also drove the car before when it was e86 / visconti tune (yes get the pitchforks) / perrin intake / with the muffler delete and the throttle response was amazing. So, if you've pulled the battery recently or reset your tune, be aware that you might have less throttle response for a bit.

09-21-2017, 12:16 PM	#14
~el~jefe~ Banned Join Date: Aug 2016 Drives: 2019 MX-5 RF Location: Long Island, NY Posts: 601 Thanks: 829 Thanked 241 Times in 153 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	driver delete?

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