Want to modify or upgrade your 1998-2007 Audi TT with aftermarket nitrous systems? At OGTuners.com we have a great selection of aftermarket performance parts for your Audi TT. We have 5 nitrous systems parts available in our store with free shipping to the Continental US.
Nitrous Express Nitrous Oxide Kits
 $781.77 20923-00Nitrous Express All Sport Compact EFI Single Nozzle Nitrous Kit (35-50-75HP) w/o Bottle IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 02/13/2026) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2000-2005 Audi TT Base |
 $905.00 20923-05Nitrous Express All Sport Compact EFI Single Nozzle Nitrous Kit (35-50-75HP) w/5lb Bottle IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 02/13/2026) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2000-2005 Audi TT Base |
 $918.25 20923-10Nitrous Express All Sport Compact EFI Single Nozzle Nitrous Kit (35-50-75HP) w/10lb Bottle IN STOCK 2000-2005 Audi TT Base |
 $1,759.79 20923-12Nitrous Express All Sport Compact EFI Single Nozzle Nitrous Kit w/Composite Bottle OUT OF STOCK 2000-2005 Audi TT Base |
 $1,017.64 20923-15Nitrous Express All Sport Compact EFI Single Nozzle Nitrous Kit (35-50-75 HP) w/15lb Bottle IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 02/13/2026) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2000-2005 Audi TT Base |