Exhaust Systems

Speed Engineering O2 Extension Single 12" ( 2019-2024 GM Truck/SUV) 31-1037-1 Oxygen sensor extensions allow for easy relocation of oxygen sensors. This is perfect for the installation of headers which require the oxygen sensor be moved further...

Speed Engineering O2 Extension Pair 12" ( 2019-2024 GM Truck/SUV) 31-1037 Oxygen sensor extensions allow for easy relocation of oxygen sensors. This is perfect for the installation of headers which require the oxygen sensor be moved further...

Speed Engineering O2 Extension Pair 12" ( 2016+ GM Truck/SUV) 31-1006 Oxygen sensor extensions allow for easy relocation of oxygen sensors. This is perfect for the installation of headers which require the oxygen sensor be moved further downstream...

Kooks 2014-19 Chevy Corvette C7 (4 Pin) O2 Extension Kit EX685-Z O2 Extension Kit 2014-2019 C7 Corvette 1) 16" Rear Extension Harness (4-Pin) 1) 21" Rear Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where...

Kooks 2009-15 Cadillac CTS-V (4 Pin) O2 Extension Kit EX684-Z O2 Extension Kit 2) 12" Front Extension Harness (4-Pin) 2) 18" Rear Extension Harness (4-pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number...

Kooks 2010-17 Chevy Camaro (4 Pin) 8" Front O2 Extension Kit EX683-Z O2 Extension Kit 2010 Camaro 2) 8" Front Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered...

Kooks 2005-13 Chevy Corvette C6 (4-Pin) O2 Extension Kit EX682-Z O2 Extension Kit C6 Corvette 2) 16" Front Extension Harness (4-Pin) 2) 18" Rear Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This...

Kooks 2004-06 Pontiac GTO 18" (4 Pin) Flat O2 Front Extension Harness CAS-109010-18 O2 Extension Harness 1) 18" Extension Harness (4-pin) Flat Connector. Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should...

Kooks 2004-09 Pontiac GTO/Cadillac CTS-V 12" O2 (4-Pin) Front Extension Harness CAS-109004 O2 Extension Harness GM 1) 12" Front Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should...

Kooks 2006-13 Chevy Corvette Z06/ZR1 02 Extension Kit CAS-105630 O2 Extension Kit Z06 Corvette 2) Rear Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a...

Kooks 2016-20 Chevy Camaro SS/ZL1 O2 Extension Kit CAS-104326 O2 Extension Kit 2016 CAMARO SS 1) 10" Front Left Extension Harness (4-pin, BLACK CONNECTOR) 1) 8" Rear Left Extension Harness (4-pin, GREY CONNECTOR). Oxygen Sensor Extension harnesses are...

Speed Engineering LS1/LT1 FLAT O2 Extension 24" (Camaro/Corvette) 31-1002-1 Oxygen sensor extensions allow for easy relocation of oxygen sensors. This is perfect for the installation of headers which require the oxygen sensor be moved further...