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09-27-2008
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#1 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,136
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Exhaust cat BAck Question
What are the main differences between the LT4 and LT5 cat backs.. I heard it is mainly with the head pipes, but what exactly is the difference?
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - 3" Magnaflow Bullet cats - LT4 Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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09-27-2008
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#2 |
Join Date: Sep 2006
Location: lone pine and mammoth lakes
Posts: 1,407
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Re: Exhaust cat BAck Question
are you talking aboput stk or aftermarket. i know for sure its just the headpipes on the flowmaster believe it the same on the band b . stk they may have used a differenjt resonator but not sure
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09-27-2008
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#3 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,136
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Re: Exhaust cat BAck Question
I guess mainly just the head pipes.. if I bought a LT4 aftermarket exhaust for my Z 9 assume used) what will I need to do to make it work on my car?? ( Assume OEM cats and manifolds)
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - 3" Magnaflow Bullet cats - LT4 Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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09-27-2008
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#4 |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,153
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Re: Exhaust cat Back Question
Head pipes only from my understanding
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  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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09-27-2008
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#5 | |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,136
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Re: Exhaust cat Back Question
Quote:
So what is differnet with the head pipes, that is more what I want to know
__________________
1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - 3" Magnaflow Bullet cats - LT4 Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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09-27-2008
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#6 |
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Join Date: May 2007
Location: Peoria, AZ
Posts: 9,153
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Re: Exhaust cat BAck Question
How they connect and sizes thats all
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 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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09-28-2008
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#7 | |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,136
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Re: Exhaust cat BAck Question
Quote:
__________________
1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - 3" Magnaflow Bullet cats - LT4 Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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09-27-2008
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#8 |
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Join Date: Sep 2006
Location: lone pine and mammoth lakes
Posts: 1,407
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Re: Exhaust cat BAck Question
yyes i believe so . all the spring mounts and muffler mounts are the same. the big choice is 21/2 in or 3 in . also do you want the excedrin type or the quiet type .i have a 21/2 in on my blk car that traps 119-120 at the strip i dont know if there really is extra power in the 3 in or if you lose low end . i had mine custom built @ spin tech dr gas x pipe and their mufflers . maybe someone has actuall test results .i lost mine and cant remember , gettin old i guess
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