How many of you guys have True Dual Exhaust?

[GottaHaveLS1]

How many of you have True Dual exhaust on ur f body? If you do, what is your setup and how much did it cost you?

[Wheeler99WS6]

TSP Tru-duals w/sweet thunder mufflers, I am thinking it was around $400 shipped. check www.texas-speed.com

[GottaHaveLS1]

TSP Tru-duals w/sweet thunder mufflers, I am thinking it was around $400 shipped. check www.texas-speed.com

Do you happen to have any pics of ur car from behind? I'm curious to see what a TA looks like without the tips coming out of the bumper.

[9t8z28]

I got true duals through an X, over the axle into two 14" bullets staight out the back.

[Fran D]

I got true duals through an X, over the axle into two 14" bullets staight out the back.

I see that this is your line of business. Did you do it yourself? If so, how much would you charge a fellow LS1 owner for the same?

[Wheeler99WS6]

sorry no pix of mine, but it has dumps before the axle. you can see vids on www.ls1sounds.com there are a couple guys that have the same kind of exhaust as mine on there with vid shots of rear and all.

[9t8z28]

I see that this is your line of business. Did you do it yourself? If so, how much would you charge a fellow LS1 owner for the same?

$300 + $75 for labor

[Fran D]

$300 + $75 for labor

Hmmm...not bad. Any pics of your efforts?

[9t8z28]

Hmmm...not bad. Any pics of your efforts?

I do but it is curantly designed for a dual cat LT1 car. I am having trouble with my digital camera(P.O.S.) In 2 weeks I am putting it on my 98 because from the transmission forward it is different but easier to design.
From the transmission back it is the exact same.
It also all depends on what you want. Some guys want the system to be 3" off of the collecter into a 3" X-pipe and then 2.5" out the back. You could also include high flow cats which would cost a little more.
My dual system on my car will be 3" off long tubes into 3" cats then into a 2.5" X-pipe staight out the back. Testing we have done shows that the 3" x flows a small amount better compared to a 2.5" x both into 2.5" talls. The small gain is not worth it considering you will loose ground clearance.

[Fran D]

Thanks for the info. I'm not ready to pull the trigger now, but I've added you to my list and will contact you when the appropriate time (and cash ) arrive.

[Hurley711]

I do but it is curantly designed for a dual cat LT1 car. I am having trouble with my digital camera(P.O.S.) In 2 weeks I am putting it on my 98 because from the transmission forward it is different but easier to design.
From the transmission back it is the exact same.
It also all depends on what you want. Some guys want the system to be 3" off of the collecter into a 3" X-pipe and then 2.5" out the back. You could also include high flow cats which would cost a little more.
My dual system on my car will be 3" off long tubes into 3" cats then into a 2.5" X-pipe staight out the back. Testing we have done shows that the 3" x flows a small amount better compared to a 2.5" x both into 2.5" talls. The small gain is not worth it considering you will loose ground clearance.

How bout dyno results? Are there any proven gains with your setup? I know some of the true dual systems tend to gain under the curve, curious to see what results you have had. Thanks

[9t8z28]

3 more horsepower using the 3" X. I don't have the sheets myself ( my boss has them) but to me it isn't worth ground clearance plus its less complicated to build. And the amount of 3" pipe that you use significantly increases the weight of the system and a true dual on an F-Body already weights alot.

[Hurley711]

3 more horsepower using the 3" X. I don't have the sheets myself ( my boss has them) but to me it isn't worth ground clearance plus its less complicated to build. And the amount of 3" pipe that you use significantly increases the weight of the system and a true dual on an F-Body already weights alot.

Cool.....but I actually meany between a catback and true duals..what r the gains?

[HurricaneLS1]

I asked this in the sticky about TD a couple days ago.
How would side exit before the rear wheels look/perform if done with TD? That why they would no ground clearence issuses tring to go under the axle, atleast I don't think anyway.

[9t8z28]

Cool.....but I actually meany between a catback and true duals..what r the gains?

I am trying to find the post on Z28.com but I am insuccesful. There was a guy who went from a Loudmouth to true dual over the axle w/X and gained 3tenths of a second in the quarter. I didn't do a dyno test of a catback compared to true duals, but using an X-pipe( which you can only use with duals) will make sometimes at the least 10 more horsepower.

[9t8z28]

I asked this in the sticky about TD a couple days ago.
How would side exit before the rear wheels look/perform if done with TD? That why they would no ground clearence issuses tring to go under the axle, atleast I don't think anyway.

You will loose ground clearance with side exit. I think it is rediculous to go under the axle.

[HurricaneLS1]

You will loose ground clearance with side exit. I think it is rediculous to go under the axle.

Well yeah, I guess you still would lose clearance. O-well, I'm use to having little ground clearance between my old SC300 and my RX-7.

How about performence gains, it would be the same as dumped,huh?

[9t8z28]

Yes, it should be the same.

[9t8z28]

This is not the finished product.

[Hurley711]

$375 installed for everything?