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Threads Tagged with cats

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02, 2000, a4, audi, car, cats, cylinders, dipstick, foul, misfire, misfiring, oil, plugged, plugs, running, tt

All cylinders misfiring!

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Multi-page thread

1 2 3)

kappy332 on Feb 9, 2010

Aug 9, 2022 12:48 AM
by Ssteven

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22

44,661

18t, a8, audi, cat, cats, dripping, fluid, gear, leak, leaking, main, oil, rear, s4, seal

Oil leak above cats

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Multi-page thread

1 2)

aerostatwv on Dec 9, 2007

Dec 6, 2014 09:56 PM
by aerostatwv

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19

14,419

04, 2001, 2004, audi, back, cats, cheap, cut, cutting, exhaust, headers, muffler, pic, s4, stock

2004 S4 exhaust help.

08A4Sline on Feb 24, 2012

Jun 26, 2014 09:58 AM
by Hopewell_Mike

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4

2,990

Intake, Headers and Exhaust

18t, 2001, 28, 30v, a3, a4, audi, b5, cat, catalytic, cats, converter, gutting, removal, remove, removed, removing

removing cat, can i get rid of the emissions code?

hebert12lax1 on Oct 22, 2013

Oct 23, 2013 11:34 AM
by JavanT

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9

11,949

2003, audi, cats, s8

Need a cat for a D2 A8/S8

javadog on Jun 27, 2013

Aug 23, 2013 09:20 AM
by javadog

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2

782

Archive - Want to Buy

cats, epa, warrenty

EPA warranty on catalytic converter

fittan on Aug 15, 2013

Aug 15, 2013 09:35 AM
by fittan

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0

2,722

28, a6, audi, cats, diy, eliminator, gut, hollow, mil

Hollow cats?

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Multi-page thread

1 2)

Expplucky on May 8, 2013

May 13, 2013 09:52 AM
by Pbcrazy

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12

3,229

96, a4, a5, audi, b5, cats, comparison, cutting, exhaust, fit, main, muffler, s4, stock, system

Can a s4 b5 oem stock full exhaust system fit into a 96 audi a4 b5 2.8 12v?

o0hmikee on Apr 3, 2013

Apr 5, 2013 10:06 AM
by Mad Cow

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7

4,746

28, 28l, 44, 99, a4, audi, cats, exhaust, factory, flowmaster, muffler, super

2.8L 12v flowmaster exhaust

rshepler217 on Mar 21, 2013

Mar 23, 2013 08:58 AM
by chocalotstarfish

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2

2,080

a6, audi, cats, cut

revoming cats?! yes or no??

workinman_91 on Feb 21, 2013

Mar 4, 2013 05:11 PM
by sheldon

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3

1,270

audi, cats, pre

replacing pre-cats?

jwestover on Dec 16, 2012

Dec 16, 2012 01:50 PM
by jwestover

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0

1,285

audi, cat, cats, flow, give, googlehigh, hfc, high, install, noise, pipe, power, restrictive, test, trailblazer, versus

test pipe vs high flow cat

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Multi-page thread

1 2)

Jebs451 on Sep 9, 2012

Oct 10, 2012 06:55 PM
by Jebs451

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18

20,741

2006, 27t, a6, apr, audi, cats, custom, data, fueling, kit, logging, numbers, precat, stage, tune

2.7T - data log numbers

vtraudt on Jun 16, 2011

Sep 4, 2012 08:56 AM
by ratherb1

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8

4,090

Computer & Fuel Systems

03, 2004, 27, 27t, a6, audi, body, boot, cats, chip, forums, giac, horse, power, theottle, throttle, turbo, upgrade

2004 Audi a6 2.7t

ckusch93 on Aug 1, 2012

Aug 2, 2012 08:42 PM
by ppgoal

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3

1,823

bad, blinks, car, cat, cats, cel, changeing, crap, engine, pipe, piped, pipes, put, running, runs, straight

Any downside to running full straight pipe?

newhandle on Jul 20, 2012

Jul 21, 2012 01:15 PM
by newhandle

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6

11,962

2008, 32, a4, audi, cat, catalytic, cats, converter, flow, flowing, free, high

High Flow cat

tannerhall4e on Jul 9, 2012

Jul 9, 2012 09:44 AM
by tannerhall4e

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0

1,741

00, 225, 225q, audi, audiforums, cat, cats, com, decat, pennsylvania, pipe, pipes, replacement, tt, wwwaudi

decat pipes

rodhotter on Jun 18, 2012

Jun 23, 2012 08:45 AM
by rodhotter

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6

2,365

431, a4, audi, cats, code, codes, engine, po431, replacing

Audi A4 code PO431

bernes1982 on Jun 14, 2012

Jun 14, 2012 12:03 PM
by pa4ul

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1

2,523

audi, b6, cat, cats, diy, gut, main, o2, piggie, piggies, piggy, pipes, precats, removal, s4, sensor

B6 S4 piggies DIY?

jasontkennedy on Mar 27, 2012

May 12, 2012 08:15 AM
by vtraudt

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2

10,910

S Car Model Line

2000, 2001, 28, 97, a4, audi, b5, catalytic, cats, converter, forums, left, quattro, side, size

A4 B5 2.8 12v V6 - How Many Catalytic Converters?

dailybeast on Apr 20, 2012

Apr 21, 2012 10:05 PM
by FishEye

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3

13,421

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