Question about intake/exhaust sound - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Sojhinn · 02-08-2013, 11:53 PM

So I finished installing my takeda intake, invidia front pipe, and q300. Before installing the intake i absolutely loved the exhaust. After installing the intake on wot in third gear around 3500 rpm I get a really low drone that actually vibrates the car and it only lasts until 4500 rpm. It's nuts. At all other times there is hardly any noise. Mind you I reset the ecu and have only driven 3 times for a total of 20 miles since the reset. In the last drive to gas station the noise wasn't as pronounced, so I wonder if its an ecu learning issue.

Anyone with this setup want to chime in?

mxsled · 06-29-2013, 12:59 AM

Quote:

Originally Posted by Sojhinn

So I finished installing my takeda intake, invidia front pipe, and q300. Before installing the intake i absolutely loved the exhaust. After installing the intake on wot in third gear around 3500 rpm I get a really low drone that actually vibrates the car and it only lasts until 4500 rpm. It's nuts. At all other times there is hardly any noise. Mind you I reset the ecu and have only driven 3 times for a total of 20 miles since the reset. In the last drive to gas station the noise wasn't as pronounced, so I wonder if its an ecu learning issue.

Anyone with this setup want to chime in?

I know it's an old thread but I've a similar sound/drone coming from the car
do it sounds like this?
[ame="http://www.youtube.com/watch?v=UdNVH8mEFjs"]Rattle at 3500rpm coming from engine bay - YouTube[/ame]

troek · 06-29-2013, 05:19 AM

from the video that sounds like the oem noise generator piped into the cabin.

mxsled · 06-29-2013, 10:22 AM

Quote:

Originally Posted by troek

from the video that sounds like the oem noise generator piped into the cabin.

yeah,at first I thought it was the sound generator but after i removed it the sounds is still here

btw it makes this noise just after I flashed my car with my tune(ecutek fa20club)

DJCarbine · 06-29-2013, 11:43 AM

Quote:

Originally Posted by mxsled

yeah,at first I thought it was the sound generator but after i removed it the sounds is still here

btw it makes this noise just after I flashed my car with my tune(ecutek fa20club)

it could be aggressive cam phasing to smooth out the torque dip. Had the same experience when I was n/a

02-08-2013, 11:53 PM	#1
Sojhinn Lightning McQueen Driver Join Date: May 2012 Drives: Limited Red 6MT BRZ Location: San Diego Posts: 2,242 Thanks: 753 Thanked 1,167 Times in 644 Posts Mentioned: 77 Post(s) Tagged: 2 Thread(s)	Question about intake/exhaust sound So I finished installing my takeda intake, invidia front pipe, and q300. Before installing the intake i absolutely loved the exhaust. After installing the intake on wot in third gear around 3500 rpm I get a really low drone that actually vibrates the car and it only lasts until 4500 rpm. It's nuts. At all other times there is hardly any noise. Mind you I reset the ecu and have only driven 3 times for a total of 20 miles since the reset. In the last drive to gas station the noise wasn't as pronounced, so I wonder if its an ecu learning issue. Anyone with this setup want to chime in? __________________ Nicknamed Lightning by my Kids. Installed Mods: Phantom Electric Super Charger \| Open Flash Tune \| Perrin OP/ HFC Front pipe \| Invidia Q300 catback \| ST Suspension \| JDL Header \| Flex Fuel

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