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Exhaust Opinions?

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Old 07-31-2010, 05:41 PM
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With the SS/SC..... the stock downpipe is the biggest restriction in the system , thats what i would replace first . You will be surprised how much better the stock catback will sound with a nice catted downpipe . When i installed one on my GM touring exhaust ..... I had to go back to the stock catback because it got so much louder ...... and it sounded great. The stock Cat muffles more than the stock catback lol.
Old 07-31-2010, 06:20 PM
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Originally Posted by spitefulxcheerio
local shops do mandrel bending........you just have to look up a shop online.

as for Hahn, yeah it sounds good but for your plans, it's too big AND it costs your arm and unborn child. Not worth it for the simple pleasure of sound IMO. Function > Form any day

most local shops have a wide selection of mufflers you can use! Find a mandrel bending shop (make sure to ask if they do mandrel bending) in your area and ask about their muffler selection. They might even sell the Hahn muffler
Ill do that man, ill prolly go looking around monday. thanks.

Originally Posted by rukkee
With the SS/SC..... the stock downpipe is the biggest restriction in the system , thats what i would replace first . You will be surprised how much better the stock catback will sound with a nice catted downpipe . When i installed one on my GM touring exhaust ..... I had to go back to the stock catback because it got so much louder ...... and it sounded great. The stock Cat muffles more than the stock catback lol.
I've been looking around at some downpipes. I thought about changing that first, just like you said, and prolly a header just to get both on at the same time. What catted dp would you recommend? in your opinion?

Last edited by BARBER_IMAZE; 07-31-2010 at 06:20 PM. Reason: Automerged Doublepost
Old 07-31-2010, 08:04 PM
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I've had good luck with ZZP DP's . The stock downpipe on the SS/SC looks decent from the outside but necks down to 2 inch at the inlet.
Old 07-31-2010, 09:33 PM
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Originally Posted by rukkee
I've had good luck with ZZP DP's . The stock downpipe on the SS/SC looks decent from the outside but necks down to 2 inch at the inlet.
Well okay, I'm not sure how much I'm trying to spend but I know I wouldn't have enough for a header and dp combo, so would you still say that I should get the dp first? And install that for now? Then later get a header?
Old 07-31-2010, 10:43 PM
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Originally Posted by BARBER_IMAZE
Well okay, I'm not sure how much I'm trying to spend but I know I wouldn't have enough for a header and dp combo, so would you still say that I should get the dp first? And install that for now? Then later get a header?
I would .... that will be the most bang for the buck as far as gains go.
Old 07-31-2010, 11:15 PM
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Originally Posted by rukkee
I would .... that will be the most bang for the buck as far as gains go.
thanks man, I appreciate it, now I know what I'm going to be looking for. is it hard at all to change out the Downpipe or am I better off taking it to a local shop to get it installed?
Old 07-31-2010, 11:27 PM
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how much does a tc gain from a 3" downpipe?
Old 08-01-2010, 11:24 AM
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Originally Posted by BARBER_IMAZE
thanks man, I appreciate it, now I know what I'm going to be looking for. is it hard at all to change out the Downpipe or am I better off taking it to a local shop to get it installed?
It's not too hard with the car in the air .... I did the SS/SC in my garage with jacks and stands and it wasn't too bad . The TC I did on my buddies lift....... It's cake with a lift.

Originally Posted by br4nd0n187
how much does a tc gain from a 3" downpipe?
They say about 15 HP ..... After looking at the 2 cats and the crush in between them... It's no wonder .
Old 08-01-2010, 02:09 PM
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I'm running a 2.5" exhaust w/ a 15" stainless resonator up front and a straight pipe, i had it run into a 3inch angeled muffler on the back, but i gutted the muffler so its a straight pipe..

with the resonator up front it gives it a deep bellow
Old 08-01-2010, 02:21 PM
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yea its mandrelexhaustsystems.com not mandrelbentexhaust.com but they have a good selection of different pipe sizes, exhaust material, and a choice between a borla muffler and 2 magnaflows. heard they had good fitment also
Old 08-01-2010, 05:37 PM
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my no resonated 3 inch borla from mandrelexhaustsystems.com is amazing. i love the hell out of it.
and as far as fitmet went it was perfect.
Old 08-01-2010, 10:52 PM
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Originally Posted by SS Pyro IV
my no resonated 3 inch borla from mandrelexhaustsystems.com is amazing. i love the hell out of it.
and as far as fitmet went it was perfect.
loud as hell too isnt it. gave me a headache after 5 min then i got a dynomax super turbo
Old 08-01-2010, 11:51 PM
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Originally Posted by SS Pyro IV
my no resonated 3 inch borla from mandrelexhaustsystems.com is amazing. i love the hell out of it.
and as far as fitmet went it was perfect.
Really? Tight cuz that's what I'm thinking of getting, well the 2.5 inch borla. But I think ima get a resonator. I wanna hear it! You got any sound clips?
Old 08-02-2010, 05:57 PM
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I have the GMPP Sport Catback Exhaust on mine and I think it sounds good, not to sure about the $$....
Old 08-14-2010, 11:04 PM
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i just got my 2.25in pipe from the the o2 sensor all the way back and it sounds amazing
Old 08-14-2010, 11:25 PM
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for now im running a ported manifold, magnaflow high flow cat and a borla catback exhaust and i get compliments on the car all the time
Old 08-15-2010, 12:24 AM
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Originally Posted by LS2SS
i just got my 2.25in pipe from the the o2 sensor all the way back and it sounds amazing
what brand? and 2.25? isnt that the same size as stock piping?

Originally Posted by jdunn622
for now im running a ported manifold, magnaflow high flow cat and a borla catback exhaust and i get compliments on the car all the time
Is it the setup from mandrelexhaustsystems.com? thats my plans, the magnaflow high flow cat and borla cat back (: im hoping it sounds decent!
any sound clips of it dude?

Last edited by BARBER_IMAZE; 08-15-2010 at 12:24 AM. Reason: Automerged Doublepost
Old 08-15-2010, 01:07 PM
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unfortunately i went through a few exhaust systems before this one to find one that was very deep and barely raspy, ill get the digital camera out on video mode today no gurantee how clear it will sound ill try my best tho
Old 08-15-2010, 01:15 PM
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i have the ARK exhaust on my lsj sounds sick, deep and mean souding
Old 08-16-2010, 12:04 AM
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Originally Posted by jdunn622
unfortunately i went through a few exhaust systems before this one to find one that was very deep and barely raspy, ill get the digital camera out on video mode today no gurantee how clear it will sound ill try my best tho
Alright man sounds good. Yeah ive just been looking around too. But most likely i think im going with the borla.
Old 08-16-2010, 02:19 PM
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i just went to a muffler shop and had them bend some pipe, and my original was 1.75 i belive
Old 08-17-2010, 12:41 PM
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Originally Posted by BARBER_IMAZE
Really? Tight cuz that's what I'm thinking of getting, well the 2.5 inch borla. But I think ima get a resonator. I wanna hear it! You got any sound clips?

nah no sound clips but i can see about getting one.... its loud as hell even after getting an insert put in it. no resonator and it doesnt help that im catless. lol but absolutely love it. as it sits now its just a tad louder than stock but itll SCREAM when you romp on it.
Old 08-17-2010, 01:17 PM
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Originally Posted by SS Pyro IV
nah no sound clips but i can see about getting one.... its loud as hell even after getting an insert put in it. no resonator and it doesnt help that im catless. lol but absolutely love it. as it sits now its just a tad louder than stock but itll SCREAM when you romp on it.
Alright man thanks. ha do you heard your supercharger at all?
Old 08-17-2010, 02:44 PM
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yeah full 3 inch system and when i go wot all you hear is the blower, as surprising as that sounds....
raced a buddy in his mach 1 last night with a full exhaust too and he said that, from his car, all you heard was my blower screaming. pretty wild
Old 08-17-2010, 02:57 PM
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Originally Posted by spitefulxcheerio
With those plans, stay 2.5". You'll decrease your exhaust gas velocity and lose horsepower. Exhaust gas velocity is an issue with sc'd and N/A cars. Basically if youre not making enough power and pushing more exhaust through your pipes, the speed of your exhaust flow will slow down (due to loss of pressure) and youll lose power.

If you get a header with 2.5" catted dp and 2.5" catback with a resonator, you'll be set up perfect.

I'll work on a video for you
Very good .... Finally someone on here that understands one of the most crucial functions of an exhaust system (velocity). Remember, bigger is not always better


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