Pipes Race

Is it illegal to remove your catalytic converters and replace them with a downpipe and a race pipe?

I have a Mazdaspeed 3 and i want to remove both of the Cats and replace them with a downpipe and a racing pipe and mate them to a turbo cat back system. Is it illegal to take the cats off? How about just one? And does anyone know of a good HIGH FLOW cat for a mazdaspeed?

It,s illegal and I wouldn't do it anyway. Most Japanese cats are free flow anyway. If you remove them, you'd change the exhaust temp, which feeds back to the O2 sensor, which gives different readings to fuel management, and you'll go nuts trying to get the mixture correct again.

Check out these Pipes Race-related listings and save big bucks!

Megan Racing Down pipe V1 for Genesis Coupe 2009-2012 USED DISCOUNTED
Megan Racing Down pipe V1 for Genesis Coupe 2009-2012 USED DISCOUNTED
US $175.00
Megan Racing Down pipe V2 for Genesis Coupe 2009-2012
Megan Racing Down pipe V2 for Genesis Coupe 2009-2012
US $259.99
Racing CAT Less Test Pipe 240SX KA24 89 90 91 92 93 94
Racing CAT Less Test Pipe 240SX KA24 89 90 91 92 93 94
US $35.00
JDM 2.5'' STAINLESS STEEL RACING TEST PIPE DC2 B16 B18 B17 B20 B16A EF EG EK DA
JDM 2.5'' STAINLESS STEEL RACING TEST PIPE DC2 B16 B18 B17 B20 B16A EF EG EK DA
US $20.50
Racing CAT Less Test Pipe Mits Evolution VIII 03 04 05
Racing CAT Less Test Pipe Mits Evolution VIII 03 04 05
US $28.00
Skunk2 Race Test Pipe Never Used 88-91 Honda CRX EF or 92-95 EG Civic Hatch
Skunk2 Race Test Pipe Never Used 88-91 Honda CRX EF or 92-95 EG Civic Hatch
US $100.00
OBX CAT DELETE RACE PIPE HONDA S2000 S2K AP1 AP2
OBX CAT DELETE RACE PIPE HONDA S2000 S2K AP1 AP2
US $49.00
Kinetix Racing Resonated Cat Delete / Test Pipes - Infiniti G35 03-07 V35
Kinetix Racing Resonated Cat Delete / Test Pipes - Infiniti G35 03-07 V35
US $379.95
Kinetix Racing Cat Delete / Test / Race Pipes - Infiniti G35 03-07 V35
Kinetix Racing Cat Delete / Test / Race Pipes - Infiniti G35 03-07 V35
US $169.95
Megan Resonator Test Pipe Eclipse 95 96 97 98 99 NT GS
Megan Resonator Test Pipe Eclipse 95 96 97 98 99 NT GS
US $76.95
03 04 05 06 MITSUBISHI LANCER EVOLUTION 8 3
03 04 05 06 MITSUBISHI LANCER EVOLUTION 8 3" RACE TEST PIPE CAT DELETE EVO9 EVO8
US $29.99
Megan Test Pipe Off Road CAT Honda Accord 03 04 05 V6
Megan Test Pipe Off Road CAT Honda Accord 03 04 05 V6
US $74.90
Megan Test Pipe Off Road CAT Honda Civic 96 97 98 99 00
Megan Test Pipe Off Road CAT Honda Civic 96 97 98 99 00
US $74.90
Megan Test Pipe Off Road CAT Honda Accord 03 04 05 L4
Megan Test Pipe Off Road CAT Honda Accord 03 04 05 L4
US $74.90
Megan Test Pipe Off Road CAT Dodge Neon 95 96 97 98 99
Megan Test Pipe Off Road CAT Dodge Neon 95 96 97 98 99
US $104.90
OBX CAT DELETE PIPE EXHAUST 06-09 ECLIPSE MIVEC 4G69
OBX CAT DELETE PIPE EXHAUST 06-09 ECLIPSE MIVEC 4G69
US $59.99
Briggs Raptor Go Kart Racing Engine Parts Exhaust Staged Header Pipe Mini Bike
Briggs Raptor Go Kart Racing Engine Parts Exhaust Staged Header Pipe Mini Bike
US $5.00
JVT RACING RESONATOR STAINLESS STEEL RACING TEST PIPE HONDA 94-97 ACCORD EX 2.4L
JVT RACING RESONATOR STAINLESS STEEL RACING TEST PIPE HONDA 94-97 ACCORD EX 2.4L
US $54.99
OBX RACE CAT DELETE PIPE 94-01 INTEGRA LS RS GS B18B
OBX RACE CAT DELETE PIPE 94-01 INTEGRA LS RS GS B18B
US $49.99
OBX RESONATED CAT DELETE PIPES INFINITI G35 03-06 4DR
OBX RESONATED CAT DELETE PIPES INFINITI G35 03-06 4DR
US $125.00
1993-1997 FORD PROBE MAZDA MX6 4 CYL STAINLESS STEEL RACING STRAIGHT TEST PIPE
1993-1997 FORD PROBE MAZDA MX6 4 CYL STAINLESS STEEL RACING STRAIGHT TEST PIPE
US $32.99
MITSUBISHI 89-94 ECLIPSE TALON TURO STAINLESS STEEL RACING STRAIGHT TEST PIPE
MITSUBISHI 89-94 ECLIPSE TALON TURO STAINLESS STEEL RACING STRAIGHT TEST PIPE
US $35.20
MITSUBISHI 89-94 ECLIPSE TALON STAINLESS STEEL RACE STRAIGHT TEST PIPE NON-TURBO
MITSUBISHI 89-94 ECLIPSE TALON STAINLESS STEEL RACE STRAIGHT TEST PIPE NON-TURBO
US $35.20
NISSAN 93-97 ALTIMA XE GXE SE GLE STAINLESS STEEL RACING STRAIGHT TEST PIPE 2.4L
NISSAN 93-97 ALTIMA XE GXE SE GLE STAINLESS STEEL RACING STRAIGHT TEST PIPE 2.4L
US $36.30
NISSAN 00-03 ALTIMA GXE GLE STAINLESS STEEL RACING STRAIGHT TEST PIPE RESONATOR
NISSAN 00-03 ALTIMA GXE GLE STAINLESS STEEL RACING STRAIGHT TEST PIPE RESONATOR
US $35.20
NISSAN 89-98 240SX S13 S14 KA24 JVT RACING RESONATOR STAINLESS STEEL TEST PIPE
NISSAN 89-98 240SX S13 S14 KA24 JVT RACING RESONATOR STAINLESS STEEL TEST PIPE
US $38.50
WINNER RACING SILICONE INDUCTION/INTAKE/INLET HOSE/PIPE BLACK RENAULT 5 GT TURBO
WINNER RACING SILICONE INDUCTION/INTAKE/INLET HOSE/PIPE BLACK RENAULT 5 GT TURBO
US $49.00
MEGAN RACING TEST PIPE EAGLE TALON DSM 90-94 AWD 1G
MEGAN RACING TEST PIPE EAGLE TALON DSM 90-94 AWD 1G
US $79.00
Longacre Header Wrap 100 ft. Kart Racing Header Pipe Wrap
Longacre Header Wrap 100 ft. Kart Racing Header Pipe Wrap
US $69.99
OBX 3
OBX 3" Down pipe Fits For 2010+ Genesis Coupe 2.0T 3" Downpipe
US $149.00
Go Kart Racing Briggs Raptor Robertson Torque Tube Header Pipe RLV Muffler Used
Go Kart Racing Briggs Raptor Robertson Torque Tube Header Pipe RLV Muffler Used
US $10.45
Porsche 996 GT3 Cup Exhaust Manifold Header Tail Pipe Racecar Racing IMSA SCCA
Porsche 996 GT3 Cup Exhaust Manifold Header Tail Pipe Racecar Racing IMSA SCCA
US $1.00
MEGAN RACING TEST PIPE MITSUBISHI EVOLUTION EVO 8 9 MR
MEGAN RACING TEST PIPE MITSUBISHI EVOLUTION EVO 8 9 MR
US $79.00
SS RACING DOWN/TEST PIPE HIGH FLOW CAT EXHAUST 95-99 MITSUBISHI ECLIPSE TURBO
SS RACING DOWN/TEST PIPE HIGH FLOW CAT EXHAUST 95-99 MITSUBISHI ECLIPSE TURBO
US $32.98
STAINLESS RACING DOWN/TEST PIPE HIGH FLOW CAT EXHAUST 00-03 NISSAN MAXIMA GXE/GL
STAINLESS RACING DOWN/TEST PIPE HIGH FLOW CAT EXHAUST 00-03 NISSAN MAXIMA GXE/GL
US $34.48
STAINLESS RACING DOWN/TEST PIPE HIGH FLOW CAT CONVERTER 93-97 NISSAN ALTIMA I4
STAINLESS RACING DOWN/TEST PIPE HIGH FLOW CAT CONVERTER 93-97 NISSAN ALTIMA I4
US $34.98
MEGAN TEST PIPE 98-02 HONDA ACCORD 4CYL
MEGAN TEST PIPE 98-02 HONDA ACCORD 4CYL
US $55.00
STAINLESS RACING DOWN/TEST PIPE HIGH FLOW CAT EXHAUST 93-97 PROBE/MAZDA MX6 4CYL
STAINLESS RACING DOWN/TEST PIPE HIGH FLOW CAT EXHAUST 93-97 PROBE/MAZDA MX6 4CYL
US $33.98
OBX RACE CAT DELETE PIPE 00-01 INTEGRA GSR GS-R B18C
OBX RACE CAT DELETE PIPE 00-01 INTEGRA GSR GS-R B18C
US $49.99
Pair of Flathead Pipes for Go Kart Racing
Pair of Flathead Pipes for Go Kart Racing
US $4.25
Racing Exhaust Downpipe Down Test S Pipe for Scion 2005-2008 tC 06 07 08
Racing Exhaust Downpipe Down Test S Pipe for Scion 2005-2008 tC 06 07 08
US $79.99
JDM Racing Exhaust Downpipe Down Test Pipe for 06 07 08 09 Honda Civic DX LX EX
JDM Racing Exhaust Downpipe Down Test Pipe for 06 07 08 09 Honda Civic DX LX EX
US $84.99
Racing Exhaust Downpipe Down Test Pipe for 08-10 Nissan 370Z Z34 Infiniti G37 09
Racing Exhaust Downpipe Down Test Pipe for 08-10 Nissan 370Z Z34 Infiniti G37 09
US $149.99
88-00 CIVIC 90-01 INTEGRA D15 D16 B16 JDM 2.5'' STAINLESS STEEL RACING TEST PIPE
88-00 CIVIC 90-01 INTEGRA D15 D16 B16 JDM 2.5'' STAINLESS STEEL RACING TEST PIPE
US $64.99
Kinetix Racing Cat Delete / Test / Race Pipes - Infiniti FX35 03-08
Kinetix Racing Cat Delete / Test / Race Pipes - Infiniti FX35 03-08
US $169.95
Megan Test Pipe Off Road CAT Honda Civic 02 03 04 05 SI
Megan Test Pipe Off Road CAT Honda Civic 02 03 04 05 SI
US $104.90
50ft roll WHITE 2
50ft roll WHITE 2" wide racing Fiberglass Exhaust Pipe Header Wrap tape 1/16" tk
US $11.25
WHITE 25ft  Fiberglass Exhaust Kart Racing Motorcycle Header Pipe Tape Wrap
WHITE 25ft Fiberglass Exhaust Kart Racing Motorcycle Header Pipe Tape Wrap
US $8.00
50ft roll BLACK Racing Fiberglass Exhaust Header Pipe Wrap Tape & Ties combo KIT
50ft roll BLACK Racing Fiberglass Exhaust Header Pipe Wrap Tape & Ties combo KIT
US $23.99
OBX High Flow Test Pipe Mazdaspeed 3 Mazda3 2.3L Turbo
OBX High Flow Test Pipe Mazdaspeed 3 Mazda3 2.3L Turbo
US $79.00
OBX Exhaust Cat Delete Test Pipe 04-09 Mazda RX8 13B 3
OBX Exhaust Cat Delete Test Pipe 04-09 Mazda RX8 13B 3"
US $125.00
OBX DOWNPIPE DOWN PIPE 06-09 VW GOLF GTI 2.0T MK5 MKV Cat Delete
OBX DOWNPIPE DOWN PIPE 06-09 VW GOLF GTI 2.0T MK5 MKV Cat Delete
US $149.00
OBX MODULAR EXHAUST TURBO DOWNPIPE 3
OBX MODULAR EXHAUST TURBO DOWNPIPE 3" ~ 4" DOWN PIPE Universal Weld On
US $64.99
OBX RACING CAT DELETE BYPASS PIPE 91-99 3000GT VR4 STEALTH TURBO
OBX RACING CAT DELETE BYPASS PIPE 91-99 3000GT VR4 STEALTH TURBO
US $49.99
MEGAN RESONATOR TEST PIPE 95-99 ECLIPSE TURBO
MEGAN RESONATOR TEST PIPE 95-99 ECLIPSE TURBO
US $55.00
RACING DOWN/TEST PIPE HIGH FLOW CAT EXHAUST 95-99 MITSUBISHI ECLIPSE NON-TURBO
RACING DOWN/TEST PIPE HIGH FLOW CAT EXHAUST 95-99 MITSUBISHI ECLIPSE NON-TURBO
US $34.98
09-11 Nissan 370z G37 Invidia 60mm Test Race Pipes
09-11 Nissan 370z G37 Invidia 60mm Test Race Pipes
US $210.00
90-02 ACCORD 92-01 PRELUDE F22 F23 JDM 2.5'' STAINLESS STEEL RACING TEST PIPE
90-02 ACCORD 92-01 PRELUDE F22 F23 JDM 2.5'' STAINLESS STEEL RACING TEST PIPE
US $64.98
Megan Performance Test Pipe Dodge Neon 00 01 02 03 04
Megan Performance Test Pipe Dodge Neon 00 01 02 03 04
US $109.95
Megan Stainless Steel Test Pipe Civic 02 03 04 05 SI
Megan Stainless Steel Test Pipe Civic 02 03 04 05 SI
US $109.95
Megan Performance Test Pipe Honda Civic 96-98 99 00 HB
Megan Performance Test Pipe Honda Civic 96-98 99 00 HB
US $76.95
Megan Resonator Test Pipe Eclipse 89 90 91 9294 Turbo
Megan Resonator Test Pipe Eclipse 89 90 91 9294 Turbo
US $76.95
Megan Test Pipe Resonator Nissan Sentra 91 92 93 94-99
Megan Test Pipe Resonator Nissan Sentra 91 92 93 94-99
US $76.95
Megan Resonator Test Pipe Honda Civic 96-98 99 00 2/4D
Megan Resonator Test Pipe Honda Civic 96-98 99 00 2/4D
US $76.95
Megan Resonator Test Pipe Honda Prelude 97 98 99 00 01
Megan Resonator Test Pipe Honda Prelude 97 98 99 00 01
US $86.95
EF EG EK DA DC2 B16 B18 B17 B20 B16A JDM 2.5'' STAINLESS STEEL RACING TEST PIPE
EF EG EK DA DC2 B16 B18 B17 B20 B16A JDM 2.5'' STAINLESS STEEL RACING TEST PIPE
US $58.49
TurboXS Test Race Cat Pipes Infiniti G35 07-08 G37 08+
TurboXS Test Race Cat Pipes Infiniti G35 07-08 G37 08+
US $179.95
OBX OBX Stainless Steel Turbo Downpipe Subaru Legacy GT 2.5L Down pipe
OBX OBX Stainless Steel Turbo Downpipe Subaru Legacy GT 2.5L Down pipe
US $179.00
OBX Down pipe Test pipe Fits for 09+ HYUNDAI GENESIS 2.0T TURBO
OBX Down pipe Test pipe Fits for 09+ HYUNDAI GENESIS 2.0T TURBO
US $179.00
NEW ALLSTAR RACING HEADER EXHAUST PIPE TAB KIT 60040
NEW ALLSTAR RACING HEADER EXHAUST PIPE TAB KIT 60040
US $4.95
FORD RACING MUSTANG COBRA JET 428 CI UPPER RADIATOR PIPE KIT
FORD RACING MUSTANG COBRA JET 428 CI UPPER RADIATOR PIPE KIT
US $95.00
Megan Test Pipe CAT Nissan 240SX 89 90 91 92 93 94 KA24
Megan Test Pipe CAT Nissan 240SX 89 90 91 92 93 94 KA24
US $74.90
BRAND FORD FORD RACING 2011-2012 MUSTANG GT EXHAUST X-PIPE
BRAND FORD FORD RACING 2011-2012 MUSTANG GT EXHAUST X-PIPE
US $665.00
OBX CAT DELETE PIPE 91-99 MITSUBISHI 3000GT VR4 STEALTH TURBO
OBX CAT DELETE PIPE 91-99 MITSUBISHI 3000GT VR4 STEALTH TURBO
US $49.99
Black Fiberglass Exhaust Kart Racing Motorcycle Header Pipe Tape Wrap 15ft
Black Fiberglass Exhaust Kart Racing Motorcycle Header Pipe Tape Wrap 15ft
US $6.45
Genesis 2.0t turbo outlet o2 housing test pipe
Genesis 2.0t turbo outlet o2 housing test pipe
US $125.00
 Genesis 2.0t turbo 3
Genesis 2.0t turbo 3" mid pipe kit cat back exhaust downpipe
US $259.99
RACING GO KART EXHAUST PIPE, PARILLA LEAPARD, ROTAX, ETC
RACING GO KART EXHAUST PIPE, PARILLA LEAPARD, ROTAX, ETC
US $19.99
Catless Racing Exhaust Downpipe Test Pipe for 08 09 10 Nissan 370Z Infiniti G37
Catless Racing Exhaust Downpipe Test Pipe for 08 09 10 Nissan 370Z Infiniti G37
US $151.50
COSWORTH FVA EXHAUST HEADER PIPES  VINTAGE RACE CAR  NO RESERVE
COSWORTH FVA EXHAUST HEADER PIPES VINTAGE RACE CAR NO RESERVE
US $50.00
MEGAN RACING TEST PIPE EAGLE TALON DSM 90-94 FWD 1G
MEGAN RACING TEST PIPE EAGLE TALON DSM 90-94 FWD 1G
US $69.99
Racing CAT Less Test Pipe S2000 00 01 02 03 04 05 06-08
Racing CAT Less Test Pipe S2000 00 01 02 03 04 05 06-08
US $25.00
Race High Flow Straight Test Pipe Evo VIII 7 8 9 03-07
Race High Flow Straight Test Pipe Evo VIII 7 8 9 03-07
US $58.98
Racing go kart CR125 shifter pipe
Racing go kart CR125 shifter pipe
US $15.00
Megan Test Pipe CAT Honda Civic 88 89 90 91 92 93 94 95
Megan Test Pipe CAT Honda Civic 88 89 90 91 92 93 94 95
US $74.90



CFD Pipes & NASCAR Coca Cola 600 Race 5.30.2010.mp4



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