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Saturn Sky Performance Discussion Internal Engine | External Engine | Suspension | Exhaust | Upgrades and Aftermarket

Thread: How to install redline dual exhaust or any other bolt on. Reply to Thread
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  Topic Review (Newest First)
07-25-2012 01:31 PM
JimElvis
Quote:
Originally Posted by n2sky View Post
Great thread as I am going to go with a performance exhaust on mine ....down the road a ways. I was wondering the SAME thing.....difference between the 2.5 and 3? No answers here yet huh?
I went with the 3" on my Redline. I think the only differance is a deeper tone
07-25-2012 12:01 PM
Devlyn Necromancer!


I have the Solo-Performance Street Race exhaust. It was easy to put on in my garage. Sounds deep and throaty, definitely turns heads at full throttle. The Solo-Performance exhaust is going to be way louder than that of the Magnaflow, mainly because the magnaflow has a muffler attached to it as the solo-performance stree race exhuast does not.
07-25-2012 11:23 AM
n2sky
Quote:
Originally Posted by yodichast View Post
I am interested in doing the same thing 07 Sky Redline but I would like to know what the difference is between the 2.5" and 3" in sound and performance..I called Magnaflow up but they were not much help.You have any advice
Great thread as I am going to go with a performance exhaust on mine ....down the road a ways. I was wondering the SAME thing.....difference between the 2.5 and 3? No answers here yet huh?
12-06-2009 08:46 PM
yodichast
Magnaflow Exhaust 2.5" or 3"

I am interested in doing the same thing 07 Sky Redline but I would like to know what the difference is between the 2.5" and 3" in sound and performance..I called Magnaflow up but they were not much help.You have any advice
06-03-2007 11:22 AM
RickyD
RR or SS

J, do you have the RR or the SS model. And do you think it is worth the money or is there a better one out there?
06-03-2007 11:17 AM
RickyD
Hp

Thanks, that is good to know
06-03-2007 10:57 AM
JohnWR
Quote:
RickyD : Yes I would like to see the results after the retune also. J- where did you get your G-Tech and how much was it. That would be cool to have.
I had the batery disconnected during the install, so the ECM was reset. That may actually do more "harm" than "good", however, as it requires the ECM to re-learn everything, including altitude, fuel, and climate conditions that have not changed. I really think that the "reset" is pretty meaningless, but who knows. I'll repeat the test in a day or so.

Do a google search for GTechpro. I bought it from the manufacturer. I have the RR model, as I wanted to be able to track lateral g and upload to my computer. Be advised, it has a problem communicating with the car, and does not read RPM correctly, so the hp curves are vs time, not RPM.
06-03-2007 10:27 AM
RickyD
After retune

Yes I would like to see the results after the retune also. J- where did you get your G-Tech and how much was it. That would be cool to have.
06-03-2007 09:09 AM
MidniteBlues I read somewhere that that was a possibility, (loss of power) however I did not believe until now with your test. I am not totally convinced yet tho, I think the ECM has to adjust after a bit and it will be interesting to see your results after it adjusts. You can always pull battery for 30 minutes and let it re-tune itself. But I am very interested in your 2nd test--



06-03-2007 07:36 AM
JohnWR
Quote:
RickyD : How did you get the HP? do you have a onboard dyno?
I have a GTech. It calculates hp by measuring acceleration. It also records lateral g-force to measure cornering.
Quote:
RickyD : I haven't dynoed my base but there is no way you should have LOST power going to the dual. I would re-check everything
It may be that the ECM has to adjust to the change, but out of the box I lost power. I am confident that my measurements are good, the numbers are very consistent from run to run.

I did not expect any real gains, but a loss will certainly disappoint me.
06-03-2007 01:53 AM
RickyD
onboard dyno?

How did you get the HP? do you have a onboard dyno?
06-03-2007 01:48 AM
RickyD
R/l exhaust

I haven't dynoed my base but there is no way you should have LOST power going to the dual. I would re-check everything
06-02-2007 06:27 PM
JohnWR
Lost power

I installed my R/L exhaust today using a new valance ($ 252.00 from the dealer, incl tax). I thought about cutting the existing valance, but I knew that if I did I would eventually spend at least a weekend making a trim flange for the cut out to match the factory side, so I decided to go on and spend the money now. It took about an hour and a half, including cleanup, and a significant portion of the time was spent on the two little metal clips that hold the bottom of the valance to the bumper.

I mostly did this swap for the look, from the first time I saw the Sky I thought something was missing with the single exhaust. I like the sound, a little more snarl than the stock exhaust, but not as loud as the aftermarket exhausts that I have heard.

My only disappointment is an apparent loss of power. Before I did the swap I took my GTech for a couple of runs at a not-yet-opened shopping center. In two passes I recorded max hp of 115 and 118. After the swap I duplicated the test and got 110 and 112 hp. I have not looked at the curves yet, but the peak power is distinctly lower.

Has anyone dyno'd a 2.4 with the R/L exhaust ? If so, what was the result ?
06-01-2007 08:35 PM
RickyD
Dual mod complete

Here is a short video once I got the R/L exhaust on. It sounds great. I was going to go with the Magna Flow and glad I didnt this is plenty loud enough
05-31-2007 12:00 PM
gwader Nice job!

Greg
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