Threads Tagged with precats

cats, corvette, magnaflow, pre, precats, wat

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

Mustang_Eater on Jul 16, 2011

Jul 17, 2011 06:00 PM
by Mustang_Eater

5

923

New Muffler Elim video w/new Y pipe no precats

91yellowfellow on Feb 16, 2011

Apr 9, 2011 09:39 AM
by FOURSPEEDVETTE

19

1,182

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 :)

(

1 2)

91yellowfellow on Feb 3, 2011

Feb 8, 2011 08:22 AM
by TIMSTERS VETTE

23

11,675

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

WTB: Exhaust For 85 L98

Bucs34 on Jan 21, 2010

Feb 2, 2010 03:30 PM
by kangi

14

636

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 Oct 2, 2009

Oct 12, 2009 02:34 PM
by rickneworleansla

11

2,983

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 Jun 7, 2009

Jun 14, 2009 01:07 AM
by RonSS

9

946

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

(

1 2)

tdr1919 on Apr 18, 2009

Apr 23, 2009 10:08 AM
by Calderone

22

3,176

91 vette

Anigh on Jul 9, 2007

Jul 11, 2007 02:05 PM
by Anigh

15

627

1986, corvette, front, precats, road, ypipe

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

1988redvette on Dec 5, 2006

Dec 7, 2006 05:49 PM
by Puna

15

1,638

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

Should I get dynomax mufflers?

(

1 2)

timvette on Jun 20, 2006

Jun 23, 2006 12:53 PM
by timvette

22

1,157

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

Purpose Of Pre-Cats?

CMYC4GO on Apr 11, 2006

Apr 13, 2006 11:56 AM
by Vetracr

13

4,230

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 Mar 2, 2006

Mar 5, 2006 06:24 PM
by Wolf Dog

7

711

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

Removing Pre Cats??

VettRick on Jan 10, 2006

Jan 12, 2006 08:58 PM
by RonJ

8

820

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 Dec 20, 2005

Dec 22, 2005 02:24 PM
by Closer_2001

16

1,016

Where are the Precats and Cats specifically?

IDM on Nov 15, 2005

Nov 16, 2005 01:53 PM
by Glennm27

4

374

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

I want to get rid of my Pup Cats

(

1 2)

terlox on Oct 1, 2005

Oct 2, 2005 10:24 PM
by Mike Mercury

25

2,226

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

Pre-cats on the C4

maw150 on Aug 19, 2005

Aug 20, 2005 02:53 AM
by cash's90

3

987

1987, corvette, front, precats, wout, ypipe

minor exhuast mods-- hp guess?

1987C4 on Jun 16, 2005

Jun 17, 2005 12:23 AM
by BLUE BETTY

2

517

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

Shorty Headers: Opinions please (CA resident)

(

1 2)

Target Chaser on Apr 5, 2005

Apr 8, 2005 10:04 AM
by freemanjc

26

1,246

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

89 L98 precats-Cats

cv67 on Dec 29, 2004

Dec 29, 2004 11:06 PM
by cv67

5

677

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

Thinking about gutting pre-cats please help?

z06vette04 on Nov 2, 2004

Nov 2, 2004 06:29 PM
by Mike Mercury

9

672

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

Gutting the pre-cats

(

1 2)

NSTG8R on Oct 20, 2004

Oct 25, 2004 04:21 PM
by CR555

25

2,829

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

dynomax super turbo help

(

1 2)

91redragtop on Jan 31, 2004

Feb 3, 2004 10:00 AM
by VR'92

24

2,273

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 Jan 28, 2004

Jan 29, 2004 04:23 PM
by 86PACER

14

1,926

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

Gutting C4 Pre-Cats ???

autotech on Jan 22, 2004

Jan 22, 2004 07:09 PM
by JackDidley

7

1,786

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 Jan 1, 2004

Jan 3, 2004 08:35 PM
by jackdaroofer

17

923

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

Pre-Cat Elims (L98)

ZF Six on Dec 22, 2003

Dec 22, 2003 05:22 PM
by redfast

3

635

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

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

TIMSPEED on Oct 23, 2003

Oct 25, 2003 09:35 PM
by oldace84

16

956

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

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

PalmettoVetteMan on May 19, 2003

May 23, 2003 02:59 PM
by Mike Mercury

16

2,308

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

How to determine if pre cat is clogged/bad

Vette9d1 on May 14, 2003

May 14, 2003 10:37 PM
by 65Z01

5

2,836

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 Apr 8, 2003

Apr 12, 2003 03:15 AM
by Rick86

16

2,526

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 Jan 12, 2003

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

17

4,586

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

Eliminating precats, will it still pass inspection?

(

1 2)

Vinzvette on Jan 11, 2003

Jan 16, 2003 12:58 PM
by Carsnob

39

3,475

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

[Z06]

Removing Pre-cats?

DeetchC5 on Aug 28, 2002

Aug 28, 2002 08:22 PM
by VettTheRipper

1

607

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 Jul 28, 2002

Jul 28, 2002 08:34 PM
by kewlbrz

8

11,599

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

L98 headers..... yes or no

Caboboy on Jul 7, 2002

Jul 9, 2002 01:55 AM
by chucks88

18

1,500

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

StealDads67 on Jun 22, 2002

Jun 22, 2002 05:39 PM
by TIMSPEED

6

580

pre cats are they necessary?

guywade on Jun 15, 2002

Jun 15, 2002 12:42 PM
by 88'Cubka

1

783

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

XtremeVette on May 2, 2002

May 3, 2002 09:50 AM
by XtremeVette

7

486

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?

(

1 2)

Ender85 on May 1, 2002

May 2, 2002 09:40 PM
by burners

24

9,301

How to gut precats? Any disadvantages?

Vette9d1 on Mar 27, 2002

Mar 27, 2002 08:16 PM
by vader86

3

1,111

PreCats... bolted or welded?

darkmercury on Feb 8, 2002

Feb 8, 2002 09:02 PM
by 16Again

9

587

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

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

XtremeVette on Dec 31, 2001

Jan 2, 2002 07:52 PM
by PeteL

12

658

california, gutting, legal, precats, smog

Gutting Precats? (California Car)

TIMSPEED on Dec 7, 2001

Dec 7, 2001 10:15 PM
by 65Z01

2

625

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

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

BobMachus on Aug 9, 2001

Aug 9, 2001 02:52 AM
by moffitt

2

981

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

Pre-Cat removal

Z06_BluByU on Jul 31, 2001

Aug 4, 2001 03:39 PM
by Corvette ED

10

1,160

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

Gutting Pre Cats

ajrls on Aug 3, 2001

Aug 3, 2001 03:18 PM
by capt1mike

9

1,367