cats - Third Generation F-Body Message Boards

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back, backpressure, cats, engine, engines, loss, ls1, pressure

can i get too little backpressure

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1 2)

HOOK on 02-08-2001

04-15-2022 01:04 AM
by Fast355

69

7,468

Tech / General Engine

1990, 1991, 20, 9192, bar, box, camaro, cats, comp, dual, kicker, lb9, rear, sway, wheel, z28

My '91 Z28

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1 2 3 4 5)

DBLTKE on 09-03-2011

01-12-2021 12:43 PM
by freaky

218

68,243

Members Camaros

1989, 1992, 50, camaro, cat, cats, dual, duel, firebird, gen, headers, manifold, setup, shorty, stock

Dual cat header options

DBLTKE on 10-19-2011

02-01-2018 11:50 AM
by TTOP350

19

7,338

Exhaust

Dual Cat vs Single Cat. Which is honestly better??

LMSkyliner on 03-04-2008

05-24-2017 03:02 PM
by fullsize fun

31

11,005

Exhaust

25, 28, 28l, 31, a4, audi, audi28v6highflowcat, ball, cat, cats, cts, flange, flow, hfc, hiflow, high, v6

High-flow cat brand

camaro_junkie on 07-25-2003

08-03-2015 08:54 PM
by nickespo

13

1,534

V6

50, back, barrel, cats, coolant, engine, exhaust, firebird, gauge, idle, melt, opening, overheat, overheats, qjet, temp

Un-common overheating problem

BlackBird71 on 05-10-2010

09-01-2014 11:57 AM
by FormulasOnly

45

4,631

Cooling

High Flow Cat or No Cat?

ThirdGenKen on 08-06-2014

08-12-2014 06:27 PM
by ThirdGenKen

15

3,089

Exhaust

305, camaro, cats, dumped, gen, headers, iroc, kit, lm2, loud, loudmouth, mouth, muffler, slp, stock

SLP loud mouth

86iroct5 on 09-14-2013

05-11-2014 07:58 PM
by 86iroct5

28

11,089

Exhaust

bad, blocked, car, cats, causing, check, egg, engine, light, line, odor, return, rich, rotten, rough, running, runs, tpi

TPI running rich

hitman on 09-11-2008

11-28-2013 08:47 PM
by Sam Evans

14

26,034

TPI

25, 3, 360, cat, cats, dual, exhaust, iroc, l98, lt1, magnaflow, n10, power, single, v8

iroc twin cats or replace with single

bladehand on 07-19-2013

08-21-2013 11:05 PM
by TTOP350

18

4,492

Exhaust

will this make my exhaust sound any louder/different

Nickmiceli7 on 07-26-2013

08-19-2013 03:12 AM
by khulsebus

6

1,951

Exhaust

1990, 92, blazer, cats, co2, e85, emissions, high, l98, ls2, magnaflow, mix, pass, reading, s10, spun

High CO2 in my LS2

robbe_iroc on 06-07-2012

08-17-2013 01:27 PM
by robbe_iroc

23

2,089

LTX and LSX

ATTENTION PLEASE. looking for a y pipe with the dual cats for my 90 gta trans am

niGhTcrAwler1 on 06-13-2013

06-16-2013 03:52 PM
by niGhTcrAwler1

2

352

Engine/Drivetrain/Suspension Wanted

body, camaro, cat, cats, flowmasters, gutted

Cat Delete/Gutting?

IVIitchell on 04-29-2013

05-01-2013 12:08 AM
by ghost91

8

1,419

Exhaust

1989, 2013, ca, california, car, cat, cats, check, cutoff, forum, headers, numbers, pass, smog, star, stations, vehicle, year

My Car Passed Smog Today at a Star Station

VincentZ28 on 02-19-2013

04-13-2013 09:34 PM
by Van Nuys born

28

2,635

Southern California Area

cat, cats, emissions, gen, magnaflow, metal, regular, spun

Spun metal cat and emissions

RWO3 on 03-15-2013

03-15-2013 07:25 PM
by RWO3

0

614

Exhaust

32, 32b, accel, af, camaro, cats, change, definitive, dim, enrich, headlights, pe, rpm, tuning, wot

The Definitive $32 $32b Tunning Article

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1 2)

funstick on 09-23-2002

02-26-2013 09:26 PM
by ChevyTycoon

65

24,050

DIY PROM

old 80s pics

redneckjoe on 02-03-2013

02-05-2013 01:45 PM
by BADNBLK

6

924

Body

My True Dual 3 Inch Exhaust

niceroc on 10-19-2012

01-18-2013 05:47 AM
by The_Wraith

15

4,789

Fabrication

NC inspection problem

hdis2002 on 01-09-2013

01-17-2013 06:46 AM
by 3rdgenmaro

4

601

Exhaust

91, 91z28, bad, black, builder, camaro, cats, custom, gen, modifications, rally, rebuiliding, stripe, white, z28

My 91 Z28 Builder

white_ghost on 10-15-2012

01-02-2013 06:47 PM
by Coolwheels84

27

2,491

Members Camaros

87, body, camaro, cat, catalitic, catalytic, cats, converter, flow, flp, gains, gta, high, iroc, perfotmance, trans, z28

What High Flow Cat?

Buggy Disaster on 12-03-2012

12-05-2012 03:02 PM
by Ron U.S.M.C.

11

6,661

Exhaust

1989, 92, cats, dual, duel, formula, hawks, magnaflow

DUAL CAT CATBACK ?

89 350 on 11-05-2012

11-15-2012 04:15 PM
by VincentZ28

6

960

Exhaust

305 h.o exhaust

86'sportcoupe on 05-30-2012

10-25-2012 04:17 AM
by kmcn47

9

1,395

Exhaust

57, 700r4, caprice, cat, cats, crazy, cutouts, loud, louder, magnaflow, megnaflow, mufflers, names, put, stall, stock, vortec

Is a magnaflow muffler louder than a cutout with cat?

Buggy Disaster on 10-17-2012

10-21-2012 01:17 PM
by Buggy Disaster

8

1,589

Exhaust

1983, 3rd, 83, 84, camaro, camaros, cats, chevy, classic, gen, pass, pump, required, smog, things

83 camaro smog?

90blackrs on 09-25-2012

09-26-2012 11:01 AM
by sofakingdom

1

899

Carburetors

1986, 91, body, camaro, cats, hooker, ideas, repair, rim, rims, thirdgen, wheel, wide, wider, z28

Rim Ideas please???

Jk_Under on 09-04-2012

09-14-2012 02:53 PM
by rgauder

15

4,917

Body

add, back, backpressure, camaro, catalytic, cats, cheap, converter, exhaust, fire, iroc, low, pressure, range, universal

How can I add back pressure?

sec-k on 06-09-2012

09-05-2012 01:28 AM
by Dakota W.

10

9,606

Exhaust

dual cats or just one

irocz28_350 on 04-30-2012

09-04-2012 05:57 PM
by Dakota W.

29

5,715

Exhaust

1988, 3rd, camaro, catalytic, cats, converter, converters, flow, gen, high, inside, magnaflow, quiet, small, suggestions

Need suggestions on new catalytic converter

SuperHawk996xx on 07-13-2012

07-16-2012 12:01 AM
by Ron U.S.M.C.

6

1,500

Exhaust

[OH]

1984 z28 camaro

eboula24 on 02-17-2012

07-14-2012 12:40 PM
by 89JunkerRS

16

2,806

Camaros for Sale

07, bad, car, cats, custom, exhaust, gen, good, headers, installing, iroc, muffler, pipe, r6, set, wont, work

installed new exhaust and am disappointed

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1 2)

AngryBird on 06-11-2012

07-07-2012 07:13 AM
by Atilla the Fun

64

5,013

Exhaust

1991, 57, ca, camaro, cats, gettin, sale, thirgen

Need New Cats ! :(

KG427KG427 on 06-14-2012

07-05-2012 12:13 AM
by TTOP350

9

988

Exhaust

134, 2600, cats, ceramiccoated, don, dual, dyno, headers, horsepower, intake, lb9, mt, pipe, slp, stall, thirdgen, trans

Those with Dyno Don / LB9 Combination ???

syoung_2000 on 06-02-2012

06-29-2012 08:13 AM
by 86T/A_Ram_Air

26

4,698

Exhaust

1989, 355, 373, 89, built, camaro, cats, dual, gears, gen, quarter, rs, sale, speed, type

[GA]

Built 355, 89 Camaro RS 5speed

b2usmc on 03-22-2012

06-08-2012 05:12 PM
by khuffman286

2

2,378

Camaros for Sale

305, 85, caprice, cat, cats, flow, flowmaster, gen, high, rumble, sound, stock

New Cat or Flowmaster...Help me DECIDE!!

calgutie on 05-18-2012

05-25-2012 12:59 PM
by A&TZ28

5

802

Exhaust

383, bigfoot, calibranden, california, cats, install, muffler, pipe, shops, wont

Shops are scared an wont install 3" Dual Cats

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1 2)

CaliBranden on 05-14-2012

05-23-2012 10:23 AM
by KiLLJ0Y

58

2,273

Southern California Area

89, 92, bad, camaro, caprice, cat, cats, direct, fit, good, magnaflow, passing, silverado, smog, thirgen

What is the best CAT????

calgutie on 05-05-2012

05-06-2012 02:59 PM
by Ron U.S.M.C.

10

1,419

Exhaust

Magnaflow race, Flowmaster race or Spintech race on Mufflex 4" cat back

remltr on 04-17-2012

04-18-2012 07:20 AM
by Orr89RocZ

2

2,713

Exhaust

www.MadHammer.com Thumbs Up! (GMMG)

Mkos1980 on 08-09-2011

04-06-2012 05:02 PM
by The Project

19

9,186

Aftermarket Vendor Review

1990, 305, 3rd, 89, camaro, cat, cats, difference, dual, exhaust, formula, gen, make, single, ypipe

Difference between dual cat and single cat manifolds? Help

Steve-oh on 03-27-2012

03-29-2012 05:15 AM
by Steve-oh

9

1,628

Exhaust

Full new exhaust - hooker headers, y-pipe and cat-back

Austin19 on 03-23-2012

03-25-2012 05:40 PM
by Camaro82Z28

4

2,723

Exhaust

1992, 88, buick, cats, check, diagnostic, early, engine, hei, hollowed, iroc, light, ls1, paperclip, roadmaster

New member - "Serv Engine Soon" question...

alistair on 08-26-2010

03-21-2012 11:43 PM
by twest2k2

12

1,108

Tech / General Engine

1992, bensalem, car, cars, cats, emissions, exempt, exhaust, inspection, older, pa, pass, philadelphia, places, sniff, strict, test

exhaust inspections near philly?

eboula24 on 02-15-2012

03-02-2012 08:02 PM
by pasuperdave

26

1,195

Exhaust

2012, ca, california, camaro, cat, cats, emission, emissions, emmision, flow, gen, header, headers, high, legal

High flow manga flow cats and California emissions HELP!

Mailbox Hunter on 02-08-2012

02-27-2012 11:09 PM
by rusty vango

3

1,480

Exhaust

1989, 3rd, 92, camaro, camarocat, cat, cats, dual, firebird, gen, pipe, pipes, set, ypipe, ypipes

Dual Cat Y Pipe

jayhawk on 02-26-2012

02-27-2012 06:44 PM
by jayhawk

3

949

Exhaust

3rd, adding, camaro, cats, ecomodder, extra, firebird, gas, gen, mileage, miliage, mpg, v6

Optimizing Mileage

supertrade on 02-18-2012

02-19-2012 08:00 AM
by ex-x-fire

4

853

Tech / General Engine

89, air, cats, chevy, driving, exhaust, flow, high, hooked, hot, injection, pump, side, smog, tube

URGENT: MUST have both airlines hooked up to both cats??

camarosource on 02-12-2012

02-14-2012 07:53 PM
by jtsk

21

2,327

Tech / General Engine

224231, 268h, 355, 53, 55, cam, camaro, cats, comp, exhaust, flow, hide, magna, magnaflo, magnaflow, muffler, tube, youtube

Magnaflow really gonna "hide" my cam????

tsmoke355 on 10-08-2011

12-29-2011 10:55 PM
by Screamin86

10

1,284

Exhaust

373, calibration, car, cats, data, gen, jump, logging, numbers, pro, scalar, speedometer, tuner, tunerpro, turner

Tuner Pro speedometer?

TPI-Formula350- on 12-01-2011

12-02-2011 11:57 AM
by Six_Shooter

9

1,379

DIY PROM

Threads Tagged with cats