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Looking for aftermarket parts to modify or upgrade your 1999 GMC Sierra 2500 with nitrous systems? At Tunersports.com we carry a huge selection of the top name brand performance nitrous system parts and accessories for your Sierra 2500.
Whether you have a 1999 GMC Sierra 2500 in SL to SLT trim we have you covered. We have 16 nitrous systems available parts to mod your Sierra 2500. All parts have free shipping to the Continental US 48 States.
 SHIPS FROM MANUFACTURER 20933-00The Nitrous Express 5TH GEN CAMARO Plate System feature's Phase 3 Spraybarless technology for the ultimate in atomization and distribution. The billet plate bolts between the throttle body and intake making installation quick and easy. The solenoids are integrated into the plate for a super clean lo... Nitrous Express GM LS 102mm Nitrous Plate Kit (50-400HP) w/o Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $857.57 |
 SHIPS FROM MANUFACTURER 20933-05The Nitrous Express 5TH GEN CAMARO Plate System feature's Phase 3 Spraybarless technology for the ultimate in atomization and distribution. The billet plate bolts between the throttle body and intake making installation quick and easy. The solenoids are integrated into the plate for a super clean lo... Nitrous Express GM LS 102mm Nitrous Plate Kit (50-400HP) w/5lb Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $934.91 |
 IN STOCK 20933-10The Nitrous Express 5TH GEN CAMARO Plate System feature's Phase 3 Spraybarless technology for the ultimate in atomization and distribution. The billet plate bolts between the throttle body and intake making installation quick and easy. The solenoids are integrated into the plate for a super clean lo... Nitrous Express GM LS 102mm Nitrous Plate Kit (50-400HP) w/10lb Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $945.66 |
 SHIPS FROM MANUFACTURER 20933-12The Nitrous Express 5TH GEN CAMARO Plate System feature's Phase 3 Spraybarless technology for the ultimate in atomization and distribution. The billet plate bolts between the throttle body and intake making installation quick and easy. The solenoids are integrated into the plate for a super clean lo... Nitrous Express GM LS 102mm Nitrous Plate Kit (50-400HP) w/12lb Composite Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $1,634.76 |
 SHIPS FROM MANUFACTURER 20933-15The Nitrous Express 5TH GEN CAMARO Plate System feature's Phase 3 Spraybarless technology for the ultimate in atomization and distribution. The billet plate bolts between the throttle body and intake making installation quick and easy. The solenoids are integrated into the plate for a super clean lo... Nitrous Express GM LS 102mm Nitrous Plate Kit (50-400HP) w/15lb Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $1,040.21 |
 SHIPS FROM MANUFACTURER 20934-00NX LS plate system features a billet plate that installs between the throttle body and intake manifold making installation quick, easy and attractive. Includes jetting from 50-400 WHP. Systems include ProPower Lightning series solenoids, 6AN feed line, braided stainless solenoid to plate lines, stai... Nitrous Express GM LS 90mm Nitrous Plate Kit (50-400HP) w/o Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $857.57 |
 SHIPS FROM MANUFACTURER 20934-05NX LS plate system features a billet plate that installs between the throttle body and intake manifold making installation quick, easy and attractive. Includes jetting from 50-400 WHP. Systems include ProPower Lightning series solenoids, 6AN feed line, braided stainless solenoid to plate lines, stai... Nitrous Express GM LS 90mm Nitrous Plate Kit (50-400HP) w/5lb Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $934.91 |
 IN STOCK 20934-10NX LS plate system features a billet plate that installs between the throttle body and intake manifold making installation quick, easy and attractive. Includes jetting from 50-400 WHP. Systems include ProPower Lightning series solenoids, 6AN feed line, braided stainless solenoid to plate lines, stai... Nitrous Express GM LS 90mm Nitrous Plate Kit (50-400HP) w/10lb Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $945.66 |
 SHIPS FROM MANUFACTURER 20934-12NX LS plate system features a billet plate that installs between the throttle body and intake manifold making installation quick, easy and attractive. Includes jetting from 50-400 WHP. Systems include ProPower Lightning series solenoids, 6AN feed line, braided stainless solenoid to plate lines, stai... Nitrous Express GM LS 90mm Nitrous Plate Kit (50-400HP) w/12lb Composite Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $1,634.76 |
 SHIPS FROM MANUFACTURER 20934-15NX LS plate system features a billet plate that installs between the throttle body and intake manifold making installation quick, easy and attractive. Includes jetting from 50-400 WHP. Systems include ProPower Lightning series solenoids, 6AN feed line, braided stainless solenoid to plate lines, stai... Nitrous Express GM LS 90mm Nitrous Plate Kit (50-400HP) w/15lb Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $1,040.21 |
 SHIPS FROM MANUFACTURER 20935-00The Nitrous Express GM 3-Bolt Plate System features a billet aluminum nitrous plate that fits all car and truck intakes with a 3 bolt throttle body. The billet plate bolts between the throttle body and intake making installation quick, easy and attractive. System includes jetting for 50-400WHP. Thi... Nitrous Express GM LS 78mm 3-Bolt Nitrous Plate Kit (50-350HP) w/o Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $857.57 |
 SHIPS FROM MANUFACTURER 20935-05The Nitrous Express GM 3-Bolt Plate System features a billet aluminum nitrous plate that fits all car and truck intakes with a 3 bolt throttle body. The billet plate bolts between the throttle body and intake making installation quick, easy and attractive. System includes jetting for 50-400WHP. Thi... Nitrous Express GM LS 78mm 3-Bolt Nitrous Plate Kit (50-350HP) w/5lb Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $934.91 |
 IN STOCK 20935-10The Nitrous Express GM 3-Bolt Plate System features a billet aluminum nitrous plate that fits all car and truck intakes with a 3 bolt throttle body. The billet plate bolts between the throttle body and intake making installation quick, easy and attractive. System includes jetting for 50-400WHP. Thi... Nitrous Express GM LS 78mm 3-Bolt Nitrous Plate Kit (50-350HP) w/10lb Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $945.66 |
 SHIPS FROM MANUFACTURER 20935-12The Nitrous Express GM 3-Bolt Plate System features a billet aluminum nitrous plate that fits all car and truck intakes with a 3 bolt throttle body. The billet plate bolts between the throttle body and intake making installation quick, easy and attractive. System includes jetting for 50-400WHP. Thi... Nitrous Express GM LS 78mm 3-Bolt Nitrous Plate Kit (50-350HP) w/12lb Composite Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $1,634.76 |
 IN STOCK - LOW 20935-15The Nitrous Express GM 3-Bolt Plate System features a billet aluminum nitrous plate that fits all car and truck intakes with a 3 bolt throttle body. The billet plate bolts between the throttle body and intake making installation quick, easy and attractive. System includes jetting for 50-400WHP. Thi... Nitrous Express GM LS 78mm 3-Bolt Nitrous Plate Kit (50-350HP) w/15lb Bottle 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $1,040.21 |
 SHIPS FROM MANUFACTURER NX933DThe Nitrous Express 5TH GEN CAMARO Plate System feature's Phase 3 Spraybarless technology for the ultimate in atomization and distribution. The billet plate bolts between the throttle body and intake making installation quick and easy. The solenoids are integrated into the plate for a super clean lo... Nitrous Express Dual Stage Upgrade for GM LS Plates 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT $556.89 |