bluebird71

iTrader: (54)

I am planning on just running straight open down-pipes on my LS1 Incon turbo build in my T/A. It picked up an additional 60 rwhp at 10psi. on the old car it was on just by pulling the exhaust and running open down-pipes. Since I have never actually heard an open down-pipe turbo V8 car, I want to here some clips of what it sound like on an LSX car. I can only really find 4 and 6 cylinder turbo imports though so that's not a very good example of what I'm in for. This is going to be a street car so I'm trying to see if it will be too much to stand driving around town. I had Kooks longtubes with a custom 4" cutout on my old setup and it sounded great. It was pretty loud but I never found it to be too overwhelming and annoying. I have heard that even with no exhaust at all, the turbo's will still make it quieter than with the cutout and longtubes.

Anyone with vids or sound clips of a turbo LSX car with open down-pipes, let's see 'em!

o2ws8

iTrader: (1)

Here is my buddys 4SFEDZ LTX open down pipe vid!
http://www.youtube.com/watch?v=7v__Z951r8w

XtremeDime

iTrader: (16)

Mine, I have a foot of pipe off the turbo lol

bluebird71

iTrader: (54)

That LT1 is bad *** and sounds amazing. It sounds like it's quieter at idle than a cammed car with longtubes and a cutout, but gets loud only when the boost builds up, which would suit me just fine. Anyone got any in-car cruising vids.

Super Slow SS

iTrader: (9)

Mine is not that loud at all right now, the exhaust ends right under the driver side k-member, but it does seem to cause quite a bit noise inside the car with things vibrating and stuff.

I have an apt for friday to get the DP extended to the factory tips (CME) no mufflers or cats just to get the noise out the back, ill get some sound clips if I can.

Photochop

iTrader: (74)

Guess I'm gettin old, but the open downpipe on my red car when I got it finished (347", single 76GTS, 3" dp at the passengers side just past the firewall) was freakin loud. Granted not as loud as open headers, but just freakin droney - would give me a headache after a while of driving it. I'd rather just spend the money on a e-cutout plate and keep it quiet otherwise just driving it.

Boosted One

iTrader: (6)

Here is mine. 3" open down pipes on each side.

http://www.youtube.com/watch?v=GePaqzFLgQE

99Z28LS1

iTrader: (4)

Tally TransAm

iTrader: (17)

heres the only vid i have of mine, downpipe exits right by the bellhousing on the pass side.

coming from a h/c setup it is WAY more quite at idle, i kinda dont like it. sounds good at part throttle and cruising though and sounds like fuggen armageddon at wide open when the wastegate opens

http://www.streetfire.net/video/tally-tawmv_722854.htm

4SFEDZ

iTrader: (6)

ya my dp is about 2 1/2 feet long exiting the front bumper right in front of the tire. at idle its no louder than any cammed car with a cut out, but at wot the turbo screams pretty loud! i say go for it! and sorry bout the breaking up during the burn out, my 3step was set too low! lol!

Slow5.0.

iTrader: (5)

http://www.youtube.com/watch?v=_fpW3EMAivs

skinnies

iTrader: (33)

I'm running a 3.5" open downpipe on my rx7, the car is a lot quieter than it was with the heads/cam lt1 with true duals and bullets....

http://www.youtube.com/watch?v=27Miy_Vf_9Q
http://www.youtube.com/watch?v=gXokWfDBiUo
http://www.youtube.com/watch?v=m67VBf_wpcI

At 45 seconds, in car...
http://www.youtube.com/watch?v=4a669fNWxDw

Compressor Surge

iTrader: (21)

Toward the end of this vid is some footage of my setup with a Caterpillar turbo, and 5" downpipe dumped in the engine bay. (Temporarily, as it was still under construction) It was pretty loud/droney, obviously.

http://www.youtube.com/watch?v=7QvsbJkfmDI&fmt=18

bcbosley

iTrader: (2)

Here's some short clips of mine. Open down pipe with MP T-70. This is a 3" down pipe and ends right by bell housing. Its actually the same if not quieter than my true dual I had when I was NA.

http://s861.photobucket.com/albums/a...urrent=023.flv

bcbosley

iTrader: (2)

http://s861.photobucket.com/albums/a...urrent=020.flv

Reject

iTrader: (24)

Very nice

The Beast

iTrader: (16)

Twin 3" that merge into a 4" on my RX7

http://www.youtube.com/watch?v=i7Llr8kgKdE

98Camarod

iTrader: (43)

Here's mine

bluebird71

iTrader: (54)

Here are the dow-pipes on my Incon kit, they are only 2.5" I think.

slmdLS1

iTrader: (8)

what had happened to dyno videos?