Threads Tagged with precats

cats, corvette, magnaflow, pre, precats, wat

New Pre-Cats made my 89 a ton faster!!!

Mustang_Eater on 07-16-2011

07-17-2011 06:00 PM
by Mustang_Eater

5

854

New Muffler Elim video w/new Y pipe no precats

91yellowfellow on 02-16-2011

04-09-2011 09:39 AM
by FOURSPEEDVETTE

19

1,115

1989, 1991, 89, c4, catless, corvette, coupon, ecklers, exhaust, long, manifold, metal, pipe, precats, remove, replace, ypipe

I replaced my front Y pipe with one with out precats :)

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1 2)

91yellowfellow on 02-03-2011

02-08-2011 08:22 AM
by TIMSTERS VETTE

23

10,749

85, c4, corvette, engine, enhancements, exhaust, forced, induction, l98, parts, precats

WTB: Exhaust For 85 L98

Bucs34 on 01-21-2010

02-02-2010 03:30 PM
by kangi

14

595

C4 Parts for Sale/Wanted

89, cats, corvette, dual, duals, eliminate, hollowed, precats, resonance, straights, true

No Cats, True Duals now what Muffler???

JBVETTE30 on 10-02-2009

10-12-2009 02:34 PM
by rickneworleansla

11

2,344

8583868926, c4, c5, cats, corsa, corvette, cutting, gutting, muffler, pipe, precats, pupcat, stock, xpipe, z06

Anyone have a Stock X-pipe for a C5 02-04?

Euthanizer on 06-07-2009

06-14-2009 01:07 AM
by RonSS

9

828

Southern California

1996, 86, c4, c5, corvette, difference, easiest, front, headers, install, installing, long, pipe, precats, shorty, welded, ypipe

what headers are the easiest to install

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1 2)

tdr1919 on 04-18-2009

04-23-2009 10:08 AM
by Calderone

22

2,573

91 vette

Anigh on 07-09-2007

07-11-2007 02:05 PM
by Anigh

15

579

1986, corvette, front, precats, road, ypipe

Do pre-cats on the front y-pipe go bad?

1988redvette on 12-05-2006

12-07-2006 05:49 PM
by Puna

15

1,494

c4, dynomax, hemi, louder, lt1, muffler, mufflers, precats, sound, super, turbo

Should I get dynomax mufflers?

(

1 2)

timvette on 06-20-2006

06-23-2006 12:53 PM
by timvette

22

993

c4, cat, cats, point, pre, precat, precats, purpose

Purpose Of Pre-Cats?

CMYC4GO on 04-11-2006

04-13-2006 11:56 AM
by Vetracr

13

3,479

bb, bullets, c5, cats, corvette, exhaust, gutting, headers, hpipe, louder, pipe, pipes, precats, setup, two, z06

[Z06]

i have bb bullet, and stock header/h pipe, if i gut pre cats, how much louder?

badass1g on 03-02-2006

03-05-2006 06:24 PM
by Wolf Dog

7

628

2001, c5, cats, exhaust, gains, pre, precats, removing, z06

Removing Pre Cats??

VettRick on 01-10-2006

01-12-2006 08:58 PM
by RonJ

8

772

c5, cats, gain, gains, gutted, gutting, hp, mid, pipe, pre, precats, z06

Will You Gain any RWHP/Torque by Gutting the Precats ???

MR '02 on 12-20-2005

12-22-2005 02:24 PM
by Closer_2001

16

954

Where are the Precats and Cats specifically?

IDM on 11-15-2005

11-16-2005 01:53 PM
by Glennm27

4

324

02, c5z06, cats, corvette, precats, pup, rid

I want to get rid of my Pup Cats

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1 2)

terlox on 10-01-2005

10-02-2005 10:24 PM
by Mike Mercury

25

1,836

1984, 1985, 94, c4, cats, corvette, corvetteforum, oem, pre, precats

Pre-cats on the C4

maw150 on 08-19-2005

08-20-2005 02:53 AM
by cash's90

3

878

1987, corvette, front, precats, wout, ypipe

minor exhuast mods-- hp guess?

1987C4 on 06-16-2005

06-17-2005 12:23 AM
by BLUE BETTY

2

446

1988, 1998, corvette, guys, headers, precats, shorty, smog

Shorty Headers: Opinions please (CA resident)

(

1 2)

Target Chaser on 04-05-2005

04-08-2005 10:04 AM
by freemanjc

26

1,105

c4, corvette, gut, gutting, l98, motor, precat, precats

89 L98 precats-Cats

cv67 on 12-29-2004

12-29-2004 11:06 PM
by cv67

5

616

c5, cats, corvette, gut, gutting, help, muchdo, pre, precats

Thinking about gutting pre-cats please help?

z06vette04 on 11-02-2004

11-02-2004 06:29 PM
by Mike Mercury

9

577

01, 2001, c5, cats, corvette, gain, gut, gutting, hp, pre, precats, pup, tips, z06

Gutting the pre-cats

(

1 2)

NSTG8R on 10-20-2004

10-25-2004 04:21 PM
by CR555

25

2,552

350, 50s, 55, c4, chevy, clips, corvette, dynomax, engine, exhaust, flowmasters, pipe, precats, resonator, sound, super, turbo

dynomax super turbo help

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1 2)

91redragtop on 01-31-2004

02-03-2004 10:00 AM
by VR'92

24

2,008

ca, car, de, diego, friendly, inspection, maria, modified, pass, precats, san, santa, shops, smog, visual

How to ask for a smog friendly inspection?

CentralCoaster on 01-28-2004

01-29-2004 04:23 PM
by 86PACER

14

1,810

c4, cats, corvette, cut, pre, precat, precats, wat

Gutting C4 Pre-Cats ???

autotech on 01-22-2004

01-22-2004 07:09 PM
by JackDidley

7

1,674

1988, 1988corvetteremovefrontcats, 89, adjust, converters, corvette, front, fuel, install, loss, louder, pipe, power, precats, pressure, vette

1988, installing MAD front Y pipe without CATS, SOTP results soon

jackdaroofer on 01-01-2004

01-03-2004 08:35 PM
by jackdaroofer

17

864

c4, cats, corvette, l98, l98corvetteprecats, pre, precats

Pre-Cat Elims (L98)

ZF Six on 12-22-2003

12-22-2003 05:22 PM
by redfast

3

575

california, check, corvette, forum, precats, results, smog, test, zr1

Interesting CA Smog Check Test Results: I passed, WITHOUT PreCats

TIMSPEED on 10-23-2003

10-25-2003 09:35 PM
by oldace84

16

817

c4, cats, code, corvette, emissions, passing, pre, precats, remove, removing, throw

Removing Pre-Cats....will it throw error codes?

PalmettoVetteMan on 05-19-2003

05-23-2003 02:59 PM
by Mike Mercury

16

1,933

1984, bad, cat, cats, cloged, clogged, corvette, determine, happen, plugged, pre, precat, precats

How to determine if pre cat is clogged/bad

Vette9d1 on 05-14-2003

05-14-2003 10:37 PM
by 65Z01

5

2,429

1989, 1990, 89, catless, cats, corvette, corvetteforum, dyno, eliminating, oem, pipe, pre, precats, removing, results

Will eliminating pre-cats on my '89 seriously affect emisions?

TheCorvetteKid on 04-08-2003

04-12-2003 03:15 AM
by Rick86

16

2,211

c5, car, cats, codes, hp, improve, l98, loud, louder, make, pre, precat, precats, removing, show

How much difference does removing the pre cats make

mellio on 01-12-2003

01-16-2003 01:29 PM
by RichAshley-Black99

17

3,840

c5, cats, corvette, eliminating, engine, gut, horsepower, illeagle, increase, inspection, l98, pass, precats, suitable, z06

Eliminating precats, will it still pass inspection?

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1 2)

Vinzvette on 01-11-2003

01-16-2003 12:58 PM
by Carsnob

39

3,061

austin, c5, cats, pre, precats, remove, removing

[Z06]

Removing Pre-cats?

DeetchC5 on 08-28-2002

08-28-2002 08:22 PM
by VettTheRipper

1

553

1999, 2000, 2002, c5, car, catalytic, cats, converters, corvett, corvette, have, precats, remove, seats, z06

How many cats does a c5 have???? details within..

99NassauVette on 07-28-2002

07-28-2002 08:34 PM
by kewlbrz

8

9,505

1987, bolt, c4, corvette, eliminating, emissions, engine, gian, headers, headman, l98, legal, mod, ons, precats

L98 headers..... yes or no

Caboboy on 07-07-2002

07-09-2002 01:55 AM
by chucks88

18

1,407

Should I Gut the Pre-Cats??? [Advice]

StealDads67 on 06-22-2002

06-22-2002 05:39 PM
by TIMSPEED

6

497

pre cats are they necessary?

guywade on 06-15-2002

06-15-2002 12:42 PM
by 88'Cubka

1

708

65Z01...or others...front non-pre cat question....

XtremeVette on 05-02-2002

05-03-2002 09:50 AM
by XtremeVette

7

432

1984, add, bolt, boltons, corvette, cost, eliminating, engine, give, increase, intake, l98, low, ons, performance, power, precats

What bolt-ons add most performance/price for L98 engine?

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1 2)

Ender85 on 05-01-2002

05-02-2002 09:40 PM
by burners

24

7,204

How to gut precats? Any disadvantages?

Vette9d1 on 03-27-2002

03-27-2002 08:16 PM
by vader86

3

1,012

PreCats... bolted or welded?

darkmercury on 02-08-2002

02-08-2002 09:02 PM
by 16Again

9

487

1984, 94, c4, cats, corvette, corvetteforum, eliminate, flowmaster, pre, precats

Sound File of C-4 without Pre-cats wanted..

XtremeVette on 12-31-2001

01-02-2002 07:52 PM
by PeteL

12

604

california, gutting, legal, precats, smog

Gutting Precats? (California Car)

TIMSPEED on 12-07-2001

12-07-2001 10:15 PM
by 65Z01

2

559

cats, check, checking, clogged, pre, precats, sysmptoms

Any way to tell if Pre-Cats are clogged without surgery?

BobMachus on 08-09-2001

08-09-2001 02:52 AM
by moffitt

2

779

2001, c4, c5, cat, cats, corvette, corvetteforum, delete, hp, increase, kit, pipe, pre, precat, precats, removal, remove, z06

Pre-Cat removal

Z06_BluByU on 07-31-2001

08-04-2001 03:39 PM
by Corvette ED

10

1,071

97, c5, california, cats, code, corvette, emissions, gut, gutted, gutting, pre, precat, precats, purchase, trouble

Gutting Pre Cats

ajrls on 08-03-2001

08-03-2001 03:18 PM
by capt1mike

9

1,193