high power-low db prototype muffler - Page 25 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Reamer · 02-24-2017, 01:13 PM

Quote:

Originally Posted by MaximeT

Muffler 11.1kg
S-pipe 3.5kg
Mid-pipe 5.1kg

~43.3lbs? That'd be about 6lbs above stock I think.

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MaximeT · 02-24-2017, 01:15 PM

That's the correction from ACE. Should be official soon I guess.

Traktor · 02-24-2017, 02:23 PM

Wow that is heavy! This may not be for me...

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sfruski · 02-24-2017, 04:09 PM

Is the laguna exhaust 3" or 2.5"?

How much whp is sacrificed to get the sound down?

Reamer · 02-24-2017, 04:44 PM

Quote:

Originally Posted by sfruski

Is the laguna exhaust 3" or 2.5"?

How much whp is sacrificed to get the sound down?

I believe it is 2.5" and no whp sacrifice because that was the goal of the project. Quiet exhaust without hindering power. Sounds like the biggest hindrance is the weight, but I could lose 6lbs off my ass to make up the difference.

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Silverfox · 02-24-2017, 05:53 PM

While the weight gain is certainly something a small number of people should take into consideration, it is not a no go for most. I only track twice a year so it is not an issue for me. There is So much weight to be lost in other areas of the car that don't create massive amounts of noise/drone.

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CounterSpace Garage · 02-24-2017, 07:40 PM

Quote:

Originally Posted by MaximeT

Muffler 11.1kg
S-pipe 3.5kg
Mid-pipe 5.1kg

Quote:

Originally Posted by Reamer

~43.3lbs? That'd be about 6lbs above stock I think.

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Quote:

Originally Posted by Traktor

Wow that is heavy! This may not be for me...

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The weight is what makes the sound clean and reduces overall dB levels. Generally speaking, you want to lose unsprung weight and weight above the standard center of gravity. Having weight on the bottom of the car is not a bad thing as long as it's close to the CG center axis. Imagine an ice skater who spins.

Quote:

Originally Posted by Reamer

I believe it is 2.5" and no whp sacrifice because that was the goal of the project. Quiet exhaust without hindering power. Sounds like the biggest hindrance is the weight, but I could lose 6lbs off my ass to make up the difference.

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There is more benefit in cutting weight from the driver than cutting weight from the exhaust. That includes us too.

Quote:

Originally Posted by Silverfox

While the weight gain is certainly something a small number of people should take into consideration, it is not a no go for most. I only track twice a year so it is not an issue for me. There is So much weight to be lost in other areas of the car that don't create massive amounts of noise/drone.

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Hope to get some video of your puppy soon.

Pat · 02-25-2017, 12:13 AM

"Having weight on the bottom of the car is not a bad thing as long as it's close to the CG center axis."
I disagree. Weight hurts mileage, acceleration, handling, etc.
That said, if I have to have weight, I want it low and in the center.

AceHeader-MT · 02-25-2017, 03:20 AM

Quote:

Originally Posted by MaximeT

Muffler 11.1kg
S-pipe 3.5kg
Mid-pipe 5.1kg

To Maxime, CSG and to all we apologize.

This afternoon we were shipping a package and noticed the weight was different. This was a standard part we've shipped many times and it was off by a good %.

We dusted off our mechanical scales and realized the digital version was indeed high.

We remeasured the exhaust parts on the mechanical scale and came up with these figures:

Muffler= 8.7kg
S Pipe= 2.2kg
Mid Pipe= 4kg

Total = 14.9kg

We're very sorry for the unprofessional release of bad data. We ask that those who already received double check our figures since we've used different scales.

Thank's everyone for the understanding and I think we know why FedEx likes us so much...

Reamer · 02-25-2017, 03:25 AM

Quote:

Originally Posted by AceHeader-MT

We remeasured the exhaust parts on the mechanical scale and came up with these figures:

Muffler= 8.7kg
S Pipe= 2.2kg
Mid Pipe= 4kg

Total = 14.9kg

Mmm, so roughly just below 33lbs? Still a weight savings of ~4lbs from stock I think. Not that the weight was a deciding factor for me but I still like the idea of it being lighter than stock.

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Andrew025 · 02-25-2017, 05:16 AM

Such an emotional rollercoaster this thread is.

Silverfox · 02-25-2017, 05:18 AM

It's like a girl on prom night. Over weight, Under weight. all the while no one really cares we just want to unbox it and hear what noises it makes.

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Jmonty · 02-25-2017, 10:01 AM

Quote:

Originally Posted by Andrew025

Such an emotional rollercoaster this thread is.

The pain is real

BRZ FTW · 02-25-2017, 10:25 AM

Quote:

Originally Posted by Silverfox

It's like a girl on prom night. Over weight, Under weight. all the while no one really cares we just want to unbox it and hear what noises it makes.

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02-25-2017, 05:16 AM	#347
Andrew025 Senior Member Join Date: Jul 2013 Drives: Neptune GR86 Location: Portland Posts: 3,862 Thanks: 1,438 Thanked 3,505 Times in 1,806 Posts Mentioned: 60 Post(s) Tagged: 2 Thread(s)	Such an emotional rollercoaster this thread is. __________________

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02-24-2017, 02:23 PM	#339
Traktor Member Join Date: Aug 2015 Drives: Subaru BRZ Limited Location: MD, USA Posts: 92 Thanks: 44 Thanked 37 Times in 22 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Wow that is heavy! This may not be for me... Sent from my iPhone using Tapatalk

02-24-2017, 04:09 PM	#340
sfruski Member Join Date: Feb 2017 Drives: Many Location: San Francisco Posts: 84 Thanks: 2 Thanked 31 Times in 17 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Is the laguna exhaust 3" or 2.5"? How much whp is sacrificed to get the sound down?

02-24-2017, 05:53 PM	#342
Silverfox Senior Member Join Date: Mar 2013 Drives: 2013 Subaru BRZ, Edelbrock SC, E-85 Location: Southern California Posts: 152 Thanks: 226 Thanked 101 Times in 52 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	While the weight gain is certainly something a small number of people should take into consideration, it is not a no go for most. I only track twice a year so it is not an issue for me. There is So much weight to be lost in other areas of the car that don't create massive amounts of noise/drone. Sent from my iPhone using Tapatalk

02-25-2017, 05:18 AM	#348
Silverfox Senior Member Join Date: Mar 2013 Drives: 2013 Subaru BRZ, Edelbrock SC, E-85 Location: Southern California Posts: 152 Thanks: 226 Thanked 101 Times in 52 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	It's like a girl on prom night. Over weight, Under weight. all the while no one really cares we just want to unbox it and hear what noises it makes. Sent from my iPhone using Tapatalk

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