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07-13-2008, 10:17 AM
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#1
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Stalker
Join Date: Aug 2004
Posts: 12,080
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Custom exhaust...
ok, ive decided i want a little different sound for my car. Plus the stock muffler is said to be very restrictive. I looked at some catbacks and the cheapest is around 600... which i am not paying. lol. Magnaflow is 705...
so ive decided just to replace the muffler for now. i was considering a magnaflow or an old flowmaster i had already. Then i remember people on ls1tech talking about the dynomax ultraflow welded muffler. i looked up so threads about it and seems that is one of the best flowing mufflers the ls1 guys have found. So, i think im gonna go with that.
Now the only issue i'll have is the install. the factory inlet comes in right through the center/middle of the case(like 12 o-clock position) and the outlets are on the side(3 and 9 o-clock). I'd get a camaro/firebird crossflow muffler with a 3" in and dual 2.5" outlets. The outlets will match up with the current pipes going to the stock tips. Now with the inlet, i figure i'll have to cut it back, use some mandrel bent tubing to bring it around the side of the case to the inlet.
once im back in jersey im gonna place my order with summit for the muffler and some tubing and hopefully by the weekend ill have a new sound.oh and btw, if this confused anyone, its for my SKY. and i added a pic of the sock style setup.
Last edited by V; 07-13-2008 at 10:23 AM.
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07-13-2008, 10:45 AM
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#2
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,368
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that sounds like a pretty sweet project. through up a before and after when you finish
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07-13-2008, 11:13 AM
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#3
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Join Date: Aug 2005
Location: Millville & Little ferry New Jersey
Posts: 454
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I can't really see if your car is actually an SS or Z28 judging by the picture in your signature..
But if it is an actual SS and if you have the stainless steel SS muffler
That Muffler flows pretty dam good..
My buddy has a 2001 SS with QTP headers, QTP Y-pipe and a 224/224 cam with Patriot LS6 cylinder heads..
So we unhooked the Stock SS cat-back on the dyno so that it was basically just an open Y-pipe and he only ended up gaining 7hp and I think it was 5 ft lbs torque..
So we installed a Cut-out on the I-pipe for when he wanted the little gain and more noise..
__________________
2002 Z/28 = Firemutt Racing 370 w/ Cam, Trick Flow heads, TPIS 90mm Intake & 90mm T.B., Vigilante 3600 t.c., Michael's Transmissions Built 4L60E.
QTP Headers, Mufflex Stainless Y-pipe, Pypes Performance Exhaust, Moser 12-bolt w/ 33 spline axles,Truetrac & 3:73's., Spohn.
Cartek Tuned...
Last edited by ins0mnia24; 07-13-2008 at 11:41 AM.
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07-13-2008, 11:38 AM
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#4
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Join Date: Jan 2007
Posts: 5,623
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a friend of mine does full custom exhaust systems, it pretty far from you but it'll cost you around 350 at the most
__________________
2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10 
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07-13-2008, 11:41 AM
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#5
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,368
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ins0mnia24,
Quote:
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oh and btw, if this confused anyone, its for my SKY.
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07-13-2008, 11:43 AM
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#6
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Join Date: Aug 2005
Location: Millville & Little ferry New Jersey
Posts: 454
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Haha thanks for clearing that up...
__________________
2002 Z/28 = Firemutt Racing 370 w/ Cam, Trick Flow heads, TPIS 90mm Intake & 90mm T.B., Vigilante 3600 t.c., Michael's Transmissions Built 4L60E.
QTP Headers, Mufflex Stainless Y-pipe, Pypes Performance Exhaust, Moser 12-bolt w/ 33 spline axles,Truetrac & 3:73's., Spohn.
Cartek Tuned...
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07-13-2008, 12:37 PM
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#7
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Stalker
Join Date: Aug 2004
Posts: 12,080
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Quote:
Originally Posted by bubba428
a friend of mine does full custom exhaust systems, it pretty far from you but it'll cost you around 350 at the most
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when i can do the same for less than 150.
i'll do a real full cat back once i am ready to swap out the DP and get a tune.
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07-13-2008, 12:54 PM
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#8
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Join Date: Jan 2007
Posts: 5,623
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i meant a full cat back, mandrel bent to best fit the car, mine included a highflow cat, muffler and tips
__________________
2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10
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07-13-2008, 01:00 PM
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#9
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Stalker
Join Date: Aug 2004
Posts: 12,080
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Quote:
Originally Posted by bubba428
i meant a full cat back, mandrel bent to best fit the car, mine included a highflow cat, muffler and tips
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i know, but i have numerous shop accesses, friends who are master welders, and discounts from just about any mail order speed shop. i got it covered, lol.
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07-13-2008, 01:10 PM
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#10
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Join Date: Jan 2007
Posts: 5,623
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ahhh....gotcha
__________________
2000 Tahoe Z71 5.7
1982 Z28 Pacecar 305
1999 S10
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07-22-2008, 01:57 PM
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#11
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Join Date: Feb 2005
Location: west orange nj
Posts: 2,415
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i have a 3 inch edelbrock catback system off a 86 iroc z if you can make it work i was looking to get 150 obo
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07-22-2008, 08:20 PM
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#12
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The Mayor / 2009 Member of the Year / Moderator
Join Date: Jan 2005
Location: Northwest
Posts: 8,869
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Bubba, do you realize who you're talking to? The man can find anything he wants in mere seconds. 
__________________
1995 Z28 Convertible A4 13.78 @ 100 (CAI, high flow cat, catback, 160 thermo, hypertech, Strano springs, Koni yellows, sway bars, 3 pt. UMI SFC)
2018 Sea Doo GTX - 3 cylinders and das boooooost
Quote:
Originally Posted by BonzoHansen
Is English your 2nd language? Did you graduate high school? Your posts make my head hurt.
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