New sound same car!
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TECH Enthusiast
Joined: Dec 2003
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From: Amarillo Texas
New sound same car! I got bored one day and drew up what i wanted as far as exhaust when i get my car out and this is what i came up with. I want to keep my mac headers then run 3 inch pipe off the headers to a 4 inch X pipe then out into 2 flomaster 1 chamber out into dumps pointed to the ground but kinda out toward the door.
What do you'll think as far as sound wise cause you can listen to what it sounds like on ls1sounds but i just dont know exactly what it will sound like in person im just so excited to hear it. And by the way does anyone have a pic or pics of some simular examples of what i want to do?
Thanx
Josh
What do you'll think as far as sound wise cause you can listen to what it sounds like on ls1sounds but i just dont know exactly what it will sound like in person im just so excited to hear it. And by the way does anyone have a pic or pics of some simular examples of what i want to do?
Thanx
Josh
4" X-pipe? Are you sure? 4" single pipe is more than adequate for stock displacement LS1 and dual 4" is overkill. If you're doing an X-pipe, don't go any larger than 3" or you will lose lots of very usable low end torque. Good luck.
A 2.5" system will be best for your Macs, since they have 2.5" collectors. And 2.5" duals should be good to 450 rwhp, at the least.
On my stock internal car, my 2.5" system, with Dr Gas X - made more power than Pacesetters with a 3" system - and Hookers, with a 3" system. Was faster at the track too. Plus, it was a quieter, smoother sounding and riding car.
Dual 4" won't fit anyway(with any kind of clearance) - and the only reason to do that is if your headers had 4" collectors - which is WAY overkill, like bull said. I've built many 3.5" systems and they barely fit with decent ground/floor-board clearance.
On my stock internal car, my 2.5" system, with Dr Gas X - made more power than Pacesetters with a 3" system - and Hookers, with a 3" system. Was faster at the track too. Plus, it was a quieter, smoother sounding and riding car.
Dual 4" won't fit anyway(with any kind of clearance) - and the only reason to do that is if your headers had 4" collectors - which is WAY overkill, like bull said. I've built many 3.5" systems and they barely fit with decent ground/floor-board clearance.
Thread Starter
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Joined: Dec 2003
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From: Amarillo Texas
yes i did mean in the middle of where the 2 pipes meet, and i think i would rather go with a 3 inch pipe all the way back, but then again i dont know cause wouldnt a 2.5 be to small? I dont know im just asking.
I've got Jet Hots with flowmaster single chambers with 2.5" pipe and it is plenty for a stock displacement ls1. Don't go too big or you will kill your torque as others have said. Plus, your clearance will suck with 4". Here are some pics of my setup. It flows plenty in my opinion. 
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Every dyno comparison I've seen with similar set-ups - the cut-outs cost quite a bit of torque and some hp as well. You're bypassing the best part of the exhaust when you take out the X... Not knocking your system at all, it's looks good. Just passing on what I've seen.
lane: i primarily installed them just for the sound of open headers. I love that sound.
sound clip: wound it up it up to 4grand in first and 5 grand in second (A4). right click and save target as:
http://people.clemson.edu/~jaander/V...aro20punch.MPG
My friends 6 speed car with same setup. 2nd gear punch:
http://people.clemson.edu/~jaander/Videos/MOV02659.MPG
sound clip: wound it up it up to 4grand in first and 5 grand in second (A4). right click and save target as:
http://people.clemson.edu/~jaander/V...aro20punch.MPG
My friends 6 speed car with same setup. 2nd gear punch:
http://people.clemson.edu/~jaander/Videos/MOV02659.MPG
Last edited by 67SS&99Z28; Jan 6, 2005 at 09:39 PM.
Originally Posted by 67SS&99Z28
lane: i primarily installed them just for the sound of open headers. I love that sound.
sound clip: wound it up it up to 4grand in first and 5 grand in second (A4). right click and save target as:
http://people.clemson.edu/~jaander/V...aro20punch.MPG
My friends 6 speed car with same setup. 2nd gear punch:
http://people.clemson.edu/~jaander/Videos/MOV02659.MPG
sound clip: wound it up it up to 4grand in first and 5 grand in second (A4). right click and save target as:
http://people.clemson.edu/~jaander/V...aro20punch.MPG
My friends 6 speed car with same setup. 2nd gear punch:
http://people.clemson.edu/~jaander/Videos/MOV02659.MPG
11 Second Club
Joined: Feb 2003
Posts: 5,524
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From: The South
Originally Posted by 5POINT7
That's a good looking setup. Can't say I've ever seen cutouts on a true dual system that's dumped before the rear.
That is a nice looking setup josh. No rust yet either.....
Thread Starter
TECH Enthusiast
Joined: Dec 2003
Posts: 647
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From: Amarillo Texas
Man i cant wait to hear what its going to sound like when i get my car out im so anxious and already have a race setup at work with a 3rd gen camaro with a carbed motor, so i cant wait cause they say im going to loose but they havent seen my car sence ive worked there. Thanx alot guys.