Short-Tube, Mid-Tube and Long-Tube

[Smoke Panther]

Re: Short-Tube, Mid-Tube and Long-Tube

not true at all

lowering the back pressure of the car WILL cause less low end torque and higher peak ftlb

care to finish reading my post?

so long as you have some form of a catback, and aren't running open headers, you'll make about the same amount of power, 2.5" v 3", dual outlet v. true duals. The only thing that really changes is the torque curve

if you dont believe me look at dyno sheets before and after a dual exhaust setup

Why would I bother when they don't exist? There's only a handful of people that put their V6s on the dyno, and even a smaller number of V6 cars that run a TD setup...and there's no one V6 car that fits into both of those already small groups

[BallerMaro13]

Re: Short-Tube, Mid-Tube and Long-Tube

which would be better a 2.5" setup or 3" setup...I am going completely N/A...I heard 3" is overkill while other say 2.5" is restrictive. I do want a cam eventually if that helps...

that's a touchy subject on these boards, but in my experiences i'm quite pleased with my 3" setup. just installed pacesetters & full 3" borla exhaust and i love the results, but it may not be for everyone. i too plan on going h/c, but down the road i'll be looking to take full advantage of the 3" piping with a turbo build.

as far as immediate results, i noticed a decent performance gain (nothing big), and definitely a shift in the torque curve but not a loss in torque or power---torque doesn't decrease, it moves.

the car is overall more powerful and my upcoming dynotune should show gains, but it's a completely different feel from a stock exhaust or a 2.5"

[Mad Max]

Re: Short-Tube, Mid-Tube and Long-Tube

The best system I have found is to run full length headers, they give more torque through the entire power band. The longer the collector, the more bottom end power. Behind the headers, run 21/4 inch pipe into a good y pipe that goes to three inch. Flowmaster makes one but you have to blow the 2 1/4 pipe ends to 2 1/2 (pipe shop). Run a three inch high flow cat, a three inch pipe to a three inch turbo or flowmaster. If you don't want the V6 howl, use the bigger flowmaster - 3 chamber or a 3 inch turbo from Jegs or Summit.
You can get 3 inch cat back systems from Jegs/Summit, the front pipes will have to be custom made at a pipe shop or buy the mandrel bends from Jegs/Summit (which is what I did and used a mig to weld them together) I have 2 vehicles with this system and they are not too loud and definately don't sound like the tin V6 howl. They have a deeper sound. The 2/14 pipe is restricitve enough to give a little more low end torque, but not enough to cancel high end power. This works super with cam, head work, and a good tune. It made a difference on each vehicle. Also - true duals split the firing order and make the howl worse unless you add an 'H' pipe between the 2.

[venom3300]

Re: Short-Tube, Mid-Tube and Long-Tube

from wht i hear it depends if u want low end tq or high peak power...

long tubes+2.5in cat back= low end tq
mid tubes+3.0in catback= high rpm power
both are above stock

[firebirddrvr]

Re: Short-Tube, Mid-Tube and Long-Tube

The best system I have found is to run full length headers, they give more torque through the entire power band. The longer the collector, the more bottom end power. Behind the headers, run 21/4 inch pipe into a good y pipe that goes to three inch. Flowmaster makes one but you have to blow the 2 1/4 pipe ends to 2 1/2 (pipe shop). Run a three inch high flow cat, a three inch pipe to a three inch turbo or flowmaster. If you don't want the V6 howl, use the bigger flowmaster - 3 chamber or a 3 inch turbo from Jegs or Summit.
You can get 3 inch cat back systems from Jegs/Summit, the front pipes will have to be custom made at a pipe shop or buy the mandrel bends from Jegs/Summit (which is what I did and used a mig to weld them together) I have 2 vehicles with this system and they are not too loud and definately don't sound like the tin V6 howl. They have a deeper sound. The 2/14 pipe is restricitve enough to give a little more low end torque, but not enough to cancel high end power. This works super with cam, head work, and a good tune. It made a difference on each vehicle. Also - true duals split the firing order and make the howl worse unless you add an 'H' pipe between the 2.

just would like to say that ive heard a cammed camaro with true duals, h pipes, and borla mufflers...sounds AMAZING! not sure bout power though

[02pewtersix]

Re: Short-Tube, Mid-Tube and Long-Tube

whats overkill on v6 cars running true duals is anything over 2.5 inch piping.

you dont need a motor that has tons of work done. and if your not racing the car then why does it matter what everyone elses opinions are about being too much or not making power. if you want to do it...its your choice.

the sound is awesome. i built a 2 1/2 inch piped x pipe that i ran on my longtubes. as for no performance out of an true dual system...i dont know where some of yall get your info. i run a stock motor with longtubes and x pipe bolt on car and i run mid 13's.
x pipes scream..hardly any rasp anywhere is the rpms...high or low. and h pipe literally gets rid of the rasp.

[flamingchicken]

Re: Short-Tube, Mid-Tube and Long-Tube

that's a touchy subject on these boards, but in my experiences i'm quite pleased with my 3" setup. just installed pacesetters & full 3" borla exhaust and i love the results, but it may not be for everyone. i too plan on going h/c, but down the road i'll be looking to take full advantage of the 3" piping with a turbo build.

as far as immediate results, i noticed a decent performance gain (nothing big), and definitely a shift in the torque curve but not a loss in torque or power---torque doesn't decrease, it moves.

the car is overall more powerful and my upcoming dynotune should show gains, but it's a completely different feel from a stock exhaust or a 2.5"

looks like he has already read this. as for all you asking questions that have already been answered, STOP

http://forum.camarov6.com/showthread.php?t=77275

[Richardcoelho]

Re: Short-Tube, Mid-Tube and Long-Tube

to put it simply: amount of displacement.

v6 < v8

save the true duals for a built engine or turbo, you wont be able to push enough exhaust through the pipes.

dido.