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Old 03-08-2015   #1
TomZR1
 
Join Date: Jan 2014
Location: Macomb twp,Michigan
Posts: 108
Default Sw headers

It's time for headers,getting sw headers just wondering is their different size collectors 2/1-2 ,3".what about converters.if I remove them will your eyes burn from fumes or get high flow cats.I do have flowmaster force cat back 2-1/2 system. Thanks,spring is right around the corner!!
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Old 03-08-2015   #2
TomZR1
 
Join Date: Jan 2014
Location: Macomb twp,Michigan
Posts: 108
Default Re: Sw headers

I love the way it sounds with flowmaster force II cat back.quiet at idle and sweet at wot!!.by removing resonator & replace with x pipe & sw headers is it going to be really loud?or keep resonator on.(flowmaster resonator)
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Old 03-09-2015   #3
mike100
 
Join Date: Feb 2011
Location: San Marcos CA
Posts: 1,802
Default Re: Sw headers

Unless you get Stainless Works short headers or the clone OBX shorties, the catalyst will need to be compact as there is only so much room in the trans tunnel. The shorties pretty much locate the collectors where the oem cats resided and will be optimal for cats with all the heat shields and extra room there. Collectors will be 3". I used LS7 cats on mine since they are compact 3" factory cats with plenty of rare earths in it to actually do something.
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Old 03-09-2015   #4
KILLSHOTS
 
Join Date: Feb 2014
Location: AZ
Posts: 860
Default Re: Sw headers

When I installed my OBX headers, I went with no cats. After even a quick 5-minute drive, I'd return with my clothes reeking of exhaust fumes. (And my car was tuned by Marc, so there was nothing wrong with it.) I'd never do that again without cats. Just my 2 cents. Good luck.
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Old 03-09-2015   #5
GOLDCYLON
 
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Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
Default Re: Sw headers

On my set of Jeal headers I went with Random Techs Hi Flow cats. For the above reasons and because it was the right thing to do
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GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's)

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91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat

90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat

11 RED/GREY CTS-V
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Old 03-09-2015   #6
TomZR1
 
Join Date: Jan 2014
Location: Macomb twp,Michigan
Posts: 108
Default Re: Sw headers

So if I keep stock cats I need shorty headers?no cats long tube headers?is there any hp gain if I go with high flow cats?im defenatly doing cats just don't no wich rout to go stock or high flow.arent long tube better than the shortys?

Last edited by TomZR1; 03-09-2015 at 05:09 PM.
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Old 03-09-2015   #7
TomZR1
 
Join Date: Jan 2014
Location: Macomb twp,Michigan
Posts: 108
Default Re: Sw headers

1 more thing where is the best place & price to get these sw headers.or is there a better header than sw headers.
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Old 03-09-2015   #8
JimZRyd
 
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Join Date: Jan 2012
Location: Florence, SC
Posts: 1,343
Default Re: Sw headers

I plan to get myself a set of SW headers this summer, along with some high flow cats. Was thinking either Random Technologies or the ones SW uses...anyone have any data as to pros or cons to either? Thanks !
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Old 03-09-2015   #9
Jagdpanzer
 
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Join Date: Apr 2007
Location: Northern VA
Posts: 2,658
Default Re: Sw headers

Here are photos of SW long tubes and Magnaflow spun metalic cats on my 94 ZR-1







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Old 03-09-2015   #10
TomZR1
 
Join Date: Jan 2014
Location: Macomb twp,Michigan
Posts: 108
Default Re: Sw headers

That looks nice&clean did you customize it or did it come in bolt on pieces.did you noticed a big difference with headers.
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