Hey I am putting a ZZ4 Engine in my 92 z28 I think I am going with the SLP headers,

What I want to know is what should I get for performance and good sound.

Also Should I go with Dual Cats or Singe? And what is the difference?

Thanks John

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John
NCTGA

 

I think that a single cat should be enough. Just get a good high flow cat. I think I've heard Catco Cats are good. I'm not quite sure what the difference would be with dual or single cats. Probably not much. Maybe more backpressure? Can someone else help me out here?



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350 TPI
Flowmaster Cat-Back exhaust
Performance Chip (am trying to find out which one)
Modified MAF
Smog equipment removed

 

Go with 3"inch exhaust

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86 IROC,canary yellow(originally black),fully loaded.305TPI WITH 700R4/SHIFT KIT

T-TOPS
POWER LOCKS
POWER WINDOWS
TILT
CRUISE
SADDLE INTERIOR
POWER ANTENNAE
SPOILER OFF 87 IROC SO NO THIRD BRAKE LIGHT ON ROOF
16" BY 8" RIMS OFF 89 IROC
3"INCH EXHAUST WITH A 2 CHAMBER FLOWMASTER AND 3 1/2" BY 18" LONG CHROME TIPS
20% TINT ON SIDES,HATCH AND T-TOPS
GTS TAILLIGHT COVERS
AFTERMARKET FOG LIGHTS
PIONEER CD RECIEVER WITH REMOTE AND DETACHABLE FACEPLATE WITH JENSON SPEAKERS ALL AROUND
TALKING RADAR DETECTOR"BACON ALERT"

PRETTY BADASS RIDE

 

Dual cats are faster. But I would get a Borla exhaust. Go with the best. Remember, you get what you pay for.

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1992 Camaro RS 3.1L
T5 Manual 5 speed
Cold/RAM air intake
Z-28 Exhaust
8.5mm MSD Ignition wires
TB Coolant bypass

Soon to be a 3.8L turbo RS

AIM screen name - Stopsign696

Kills:

95 (****) Probe GT,94 Mustang GT,91 CRX (dont ask me why he raced me),2nd Gen Z28 (350) haha to you V8 guys!,1992 RS 305 TBI (good race),First Gen Integra, Old Escort LX
More to come

 

I know a lot of people who've said to stay away from Borla, the most expensive isn't always the best. I've heard that the Random Technology cat and cat-backs are the best.

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1987 Chevy Camaro IROC-Z
L98 TPI 350 (5.7L)
TH 700R-4 Transmission with 3.08:1 Rear End

Current Mods: LT4 Hot Cam, Comp Cams 1.6:1 Roller Rocker Arms, Edelbrock TES 1 5/8" Headers, Hooker 3" Aerochamber Cat-Back System, Gutted Catalytic Converter, Performance Resource Chip, Accel Ignition Coil, Cap, Rotor, 8.8mm Wires, K&N Filters, JET TPI Air Foil, Ported TPI Plenum and Base, All Free Mods, Falken ZIEX Z-Rated Tires.

Best ET (w/o LT4 cam): 14.32 @ 97.7mph
(corrected for elevation)