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05-08-2006, 10:19 AM
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#1
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Join Date: Mar 2005
Location: Long Branch, NJ
Posts: 333
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Trouble finding twin cats
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I have a 96 lt1 trans and am looking to purchase two hiflow cats for when I get the headers installed, problem is, I cant find any. every distributor page I have has cats for 93-95 lt1's or ls1's only. i found a few universals but i'm not sure whats what anymore. I have the 1 3/4 inch slp shorty (some say mids) http://www.slponline.com/view_product.asp?P=30017C
it doesnt say how large the tubing is on the headers but i assume where they match up with the cats is factory manifold size (whatever that is, 2.25-2.5"?) since they are designed to mate to the stock cats? so i have no idea what size cats i should get if i have to get universal highflos?
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Current:
2002 Silver Metallic Kawasaki ZZR1200C1
Old:
2003 White Crown Vic P71 *sold*
1996 Burnt Red Metallic Trans Am M6 Ram/LE2/4.11 *sold*
2000 Silver Cougar V6 M5 *totalled haha*
1986 Black Cutlass Calais Coupe M5 *sold*
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05-08-2006, 10:30 AM
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#2
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Sliderule / Moderator
Join Date: Oct 2004
Location: Catawissa PA
Posts: 2,294
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See the Random high flow Y-pipe on the link below. You might still need the SLP adapter kit? I don't know of anyone that sells just hiflow cats for the dual cat LT1s as they have an odd bend on the drivers side. Only thing I've seen high flow is the complete Y-pipe.
http://www.thunderracing.com/catalog...&vid=4&pcid=99
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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05-08-2006, 10:58 AM
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#3
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MIR
Join Date: Jul 2005
Posts: 9,692
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did you check summit yet?
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05-08-2006, 11:11 AM
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#4
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Join Date: Mar 2005
Location: Long Branch, NJ
Posts: 333
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**** thats expensive... looks liek it moves the drivers cat to... a no no for visual inspection 
__________________
Current:
2002 Silver Metallic Kawasaki ZZR1200C1
Old:
2003 White Crown Vic P71 *sold*
1996 Burnt Red Metallic Trans Am M6 Ram/LE2/4.11 *sold*
2000 Silver Cougar V6 M5 *totalled haha*
1986 Black Cutlass Calais Coupe M5 *sold*
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05-12-2006, 04:15 PM
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#5
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
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Originally Posted by grandkodiak
**** thats expensive... looks liek it moves the drivers cat to... a no no for visual inspection |
actually, i doubt that they could see the drivers side cat where it is in the factory location....
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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05-12-2006, 04:16 PM
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#6
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MIR
Join Date: Jul 2005
Posts: 9,692
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yea i had to buy both of those suckers, it was like 300ish bucks. whoopeedoo!
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05-12-2006, 05:19 PM
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#7
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Join Date: Mar 2005
Location: Long Branch, NJ
Posts: 333
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Did you find just the cats or did youget the whole pipe? seems like an aweful waste of money to have to replace the whole y jsut to get hiflows
__________________
Current:
2002 Silver Metallic Kawasaki ZZR1200C1
Old:
2003 White Crown Vic P71 *sold*
1996 Burnt Red Metallic Trans Am M6 Ram/LE2/4.11 *sold*
2000 Silver Cougar V6 M5 *totalled haha*
1986 Black Cutlass Calais Coupe M5 *sold*
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05-12-2006, 05:29 PM
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#8
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MIR
Join Date: Jul 2005
Posts: 9,692
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i was in a hurry so i just bought the whole pipe. and yea i do agree that its a waste of money to just get cats...
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05-12-2006, 06:20 PM
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#9
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Join Date: Mar 2005
Location: Long Branch, NJ
Posts: 333
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What else have you done to your car?
__________________
Current:
2002 Silver Metallic Kawasaki ZZR1200C1
Old:
2003 White Crown Vic P71 *sold*
1996 Burnt Red Metallic Trans Am M6 Ram/LE2/4.11 *sold*
2000 Silver Cougar V6 M5 *totalled haha*
1986 Black Cutlass Calais Coupe M5 *sold*
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05-12-2006, 06:21 PM
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#10
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Resident Camera Guy
Join Date: Aug 2004
Location: North Jersey
Posts: 10,971
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At QTP we use Magnaflow Cats they are 3" OBDII Universals and they sell for $50 a cat. Were actually working on producing our own catalytic converters to use with our Y-pipes that are very similar to Random Tech Bullet Cats (300cell)
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05-12-2006, 06:30 PM
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#11
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Join Date: Mar 2005
Location: Long Branch, NJ
Posts: 333
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Isnt the ypipe 2.5" anyway?
__________________
Current:
2002 Silver Metallic Kawasaki ZZR1200C1
Old:
2003 White Crown Vic P71 *sold*
1996 Burnt Red Metallic Trans Am M6 Ram/LE2/4.11 *sold*
2000 Silver Cougar V6 M5 *totalled haha*
1986 Black Cutlass Calais Coupe M5 *sold*
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05-13-2006, 09:11 AM
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#12
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,213
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I got a compact 3" cat from Pypesexhaust.com for the driver's side and got a 3" Catco cat for the passenger side. I got them off Ebay so my net cost was like $40 for both. I cut the y-pipe and clamped them in but ended up having the driver's side welded for another $40. Here's my y-pipe with dual 3" cats on my 96 SS.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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05-13-2006, 12:01 PM
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#13
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2007 Member of the Year
Join Date: Oct 2004
Location: Seabrook, TX
Posts: 14,281
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that poor SS... 
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WF=DF
Kommandant of the ACL (Anti Canadian League)
Quote:
Originally Posted by LTb1ow
Junk the pos, spend the money on beer, acquire headache.
Same result cept this headache doesnt last months.
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05-13-2006, 12:34 PM
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#14
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Join Date: Apr 2006
Location: Point Pleasant
Posts: 1,809
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Gutted cat ftw!
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-Vinnie
94 2wd SBSC Gmt400. 330CI LSX, Fast 102, Trickflow 205s, close ratio nv3500, 4.30/trutrac.
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05-13-2006, 08:27 PM
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#15
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
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Originally Posted by r0nin89
Gutted cat ftw!
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then you need to pay the money for O2 simms with OBDII
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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05-13-2006, 09:46 PM
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#16
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Fidget Lover
Join Date: Aug 2004
Location: P-town, New Jersey
Posts: 1,890
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Quote:
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Originally Posted by deadtrend1
then you need to pay the money for O2 simms with OBDII
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technically...no...have no more cats on my car, and no more rear 02 sensors and it runs fine...i have the sims, just never installed them yet 
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-BaRb-
97 Z28- slightly modded....Back and Badder than ever!
90 Chrysler New Yorker 5th Avenue...Out of my driveway but still in my heart...
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Originally Posted by Tru2Chevy
Barb = fist pump extraordinaire
- Justin
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Quote:
Originally Posted by bubba428
just for the record...whos falus is lodged in your sfincter
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05-13-2006, 10:06 PM
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#17
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,688
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if you buy cats they are gonna take a **** on you after you put a cam in your car. cam + cats = crap
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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05-14-2006, 02:31 PM
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#18
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Join Date: Mar 2005
Location: Long Branch, NJ
Posts: 333
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what do you mean?
__________________
Current:
2002 Silver Metallic Kawasaki ZZR1200C1
Old:
2003 White Crown Vic P71 *sold*
1996 Burnt Red Metallic Trans Am M6 Ram/LE2/4.11 *sold*
2000 Silver Cougar V6 M5 *totalled haha*
1986 Black Cutlass Calais Coupe M5 *sold*
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05-14-2006, 04:01 PM
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#19
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Hippy Mod, Bergermeister Meisterberger, Moderator
Join Date: Aug 2004
Location: Ewing
Posts: 6,213
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Only if it's tuned to extreme lean will it kill the cats. Too much heat in the exhaust will melt the cat's internally.
__________________
69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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05-23-2006, 10:46 AM
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#20
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Join Date: Dec 2005
Location: Colonia, NJ
Posts: 205
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go on ebay, magnaflow carsound highflowss are like 65 bucks a peice, part number 94109 is the best ones they are 3" in/out shortys
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05-23-2006, 10:50 AM
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#21
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Join Date: Feb 2005
Location: North Jersey
Posts: 382
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Quote:
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Originally Posted by rgaynor85
go on ebay, magnaflow carsound highflowss are like 65 bucks a peice, part number 94109 is the best ones they are 3" in/out shortys
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that's what I bought for my 95...
just got 2 2.5s from eBay, bnib...54 each, for my Lincoln, gonna have them welded in next week 
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06 300C SRT8 AKA Chrystine Sold
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05-25-2006, 11:38 AM
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#22
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13 Second Club
Join Date: Jul 2004
Location: Ewing/Galloway, NJ
Posts: 3,904
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ORY FTW
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EB
99 Riviera, Bone stock, 14.34 @ 96 "Walking 5.0's in luxury" RIP
95 Cherokee, Bone stock 16.2 @ 83 "Treeing your 3rd gen and beating it to the line despite trapping less....and looking better"
93 TA, Bone stock, 13.8 @ 100 "Beating ****** drivers in ****** LS1's"
https://www.facebook.com/groups/285090241699967/
R.I.P. Tia
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