Spec Twin?

[Shark_Bait88]

Originally Posted by C4RBON

I ordered the muffled track pipe from Nameless 2 weeks ago for DS next year.
https://shop.namelessperformance.com...-pipe-brz-frs/



Would it be legal for SSC?



- It exists in one of the original locations.
- I'm not sure what their definition of a "track pipe" is.
- It is stainless steel.
- I would use the OEM midpipe.
- There is a 5" muffler, I am unsure of its internal construction.

I think their track pipe is in reference to non-muffled straight piped and deletes. The muffled one with a 5" muffler should be fine.

[M0nk3y]

Originally Posted by C4RBON

I ordered the muffled track pipe from Nameless 2 weeks ago for DS next year.
https://shop.namelessperformance.com...-pipe-brz-frs/



Would it be legal for SSC?



- It exists in one of the original locations.
- I'm not sure what their definition of a "track pipe" is.
- It is stainless steel.
- I would use the OEM midpipe.
- There is a 5" muffler, I am unsure of its internal construction.

Track pipe in their definition is basically like a straight pipe. For example, an unresonated Perrin would be illegal because the mid-pipe is just a straight section of pipe...thus track pipe.

Anyways yes,that would be legal.You just need overall length

[G_Ride]

Originally Posted by C4RBON

I ordered the muffled track pipe from Nameless 2 weeks ago for DS next year.
https://shop.namelessperformance.com...-pipe-brz-frs/



Would it be legal for SSC?



- It exists in one of the original locations.
- I'm not sure what their definition of a "track pipe" is.
- It is stainless steel.
- I would use the OEM midpipe.
- There is a 5" muffler, I am unsure of its internal construction.

It sounds like it should be legal.

[C4RBON]

• Minimum Weight: 17 lbs., including:
o Wheel weights
o TPMS sensor if installed
o Tire valve (type unrestricted)
(For compliance purposes the specification tire will have a weight published in the tire section of the
Official Specification. The tire and wheel assembly can be weighed “all inclusive” to determine
compliance.)

This is interesting. How can there be a spec weight for a tire, and item that loses mass as it wears?

If the wheel spec weight is 17 lbs, and the spec tire weight is 23 lbs (the listed weight for a RE-71R, for example), the "all inclusive" weight would need to be 40 lbs. But if the tire is worn and weighs 21 lbs, now my wheel "weighs" 15 lbs and is illegal?

By this logic, the spec tire weight needs to be it's minimum, worn weight. Which means if I have new heavy tires, I can use lighter wheels...

I don't like where that path leads. The last thing I want to worry about is the weight of my tires. And I don't want to buy 19 lb wheels to account for worn tires.

It is also noteworthy that the wheel includes valve stems, TPMS, and wheel weights. The Advanti DST Storm S1 wheels weigh 16.95 lbs according to TireRack. I'm sure you could make up that 0.05 lbs with wheel weights, TPMS, and valve stems. (They are also on sale/closeout for $160 right now...)

[blkwrxwag]

I would think that Nameless track pipe is legal.

[M0nk3y]

Originally Posted by blkwrxwag

I would think that Nameless track pipe is legal.

It would not be under current rules because the rear muffler will have no baffled section

[blkwrxwag]

How the hell do you know what's inside the muffler?

[blkwrxwag]

Wouldn't it count as a chambered section?

[Twinz]

TR has the equipment to shave an example of whatever tire gets spec'd down to the cords and then weigh that.

I still Don't understand why they made the exhaust restrictions tighter than street. I mean, people could spend a lot of money, sure. But they are not going to gain an advantage when they do.

[cjd]

Originally Posted by Twinz

TR has the equipment to shave an example of whatever tire gets spec'd down to the cords and then weigh that.

I still Don't understand why they made the exhaust restrictions tighter than street. I mean, people could spend a lot of money, sure. But they are not going to gain an advantage when they do.

It's a spec class. The weight differences are not insignificant - even as outlined, but... without the restrictions they've put in place, chasing a (quiet enough for all sites) Ti setup would suddenly become a requirement.

As it is, I think people will be running fuel levels as low as they can when the going gets close.

C

[Locust]

Originally Posted by cjd

As it is, I think people will be running fuel levels as low as they can when the going gets close.

C

You don't already do that?

[cjd]

Originally Posted by Locust

You don't already do that?

I mostly do, but the truth is I'm just not consistent enough for it to matter. Some day...

[Twinz]

Originally Posted by cjd

It's a spec class. The weight differences are not insignificant - even as outlined, but... without the restrictions they've put in place, chasing a (quiet enough for all sites) Ti setup would suddenly become a requirement.

As it is, I think people will be running fuel levels as low as they can when the going gets close.

C

The drivers themselves will account for weight differences more significant than the available weight savings from a cheap street-class exhaust vs an expensive street class exhaust.

If they want cheap and quiet just specify steel and a resonator. Done.

[Twinz]

Originally Posted by C4RBON

It is also noteworthy that the wheel includes valve stems, TPMS, and wheel weights. The Advanti DST Storm S1 wheels weigh 16.95 lbs according to TireRack. I'm sure you could make up that 0.05 lbs with wheel weights, TPMS, and valve stems. (They are also on sale/closeout for $160 right now...)

The first ones I found have an offset that won't work for the class. What offsets did you find?

*edit* nvm found them.45mm