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Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the C209 CLK 550. The R1 performance package for the Mercedes 550 includes our proprietary ECU upgrade in addition to our stainless steel shorty headers designed specifically for the 550 V8...

Description: The RennTech R3 Performance Package is the evolution stage of the R2 Pkg. Included in the R3 Package are all upgrades from the R2 Pkg, ECU Upgrade, Diverter Valve, Air Filters, Carbon Fiber Air Box Kit and Stainless Steel Sport Mufflers, as well as...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the GLE 63 AMG. With the combination of the RennTech ECU Upgrade and the latest, 3rd generation Diverter Valve RennTech is able to add up to 91 HP and 175 LB-FT to the 5.5L...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the SLR McLaren 722. RennTech SLR package 1 contains our proprietary ECU Upgrade, upgraded pulley and dual intercooler pump kit. The R1 performance package increases performance to 722HP and 715TQ at the crank,...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the SLR McLaren. RennTech SLR package 1 contains our proprietary ECU Upgrade, upgraded pulley and dual intercooler pump kit. The R1 performance package increases performance to 722HP and 715TQ at the crank, without...

Description: The RennTech R2 Performance Package is the perfect entry level performance upgrade for the CLS 63 AMG. RennTech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RennTech stainless steel headers for a gain of...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the CLS 63 AMG. RennTech performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +42 HP and +30 TQ over stock. The R1...

Description: The RennTech R2 Performance Package is the perfect entry level performance upgrade for the CLS 55 AMG. Performance package R2 takes performance to the next level and is a step up from our R1 tuning package. The R2 performance package includes the same components...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the CLS 55 AMG. Performance package R1 includes our proprietary HHT - Hand Held Tuner ECU Upgrade and crankshaft pulley in addition to our higher efficiency intercooler pump for increased, power, performance and throttle...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the CLS. The R1 performance package for the Mercedes 550 includes our proprietary ECU upgrade in addition to our stainless steel shorty headers designed specifically for the 550 V8 for a...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the CLS. The R1 performance package for the Mercedes 500 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offers a larger volume...

Description: The RennTech R2 Performance Package is the perfect entry level performance upgrade for the G 55 AMG. Performance package R2 takes performance to the next level and is a step up from our R1 tuning package. The R2 performance package includes the same components found in our...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the G 55 AMG. Performance package R1 includes our proprietary ECU tune and crankshaft pulley in addition to our higher efficiency intercooler pump for increased, power, performance and throttle response across the entire powerband. The...

Description: The R1 performance package for the Mercedes 500 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offers a larger volume of incoming air for better engine breathing and improved cylinder filling. This combination that...

Description: The RennTech R3 Performance Package is the evolution stage of the R2 Pkg. Included in the R3 Package are all upgrades from the R2 Pkg, ECU Upgrade, Diverter Valve, Air Filters, Carbon Fiber Air Box Kit and Stainless Steel Sport Mufflers, as well as...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the E 63 AMG. With the combination of the RennTech ECU Upgrade and the latest, 3rd generation Diverter Valve RennTech is able to add up to 91 HP and 175 LB-FT to the...

Description: The RennTech R2 Performance Package is the perfect entry level performance upgrade for the ML 63 AMG. RennTech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RennTech stainless steel headers for a gain of...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the ML 63 AMG. RennTech performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +42 HP and +30 TQ over stock. A surplus...

Description: The RennTech R3 Performance Package is the evolution stage of the R2 Pkg. Included in the R3 Package are all upgrades from the R2 Pkg, ECU Upgrade, Diverter Valve, Air Filters, Carbon Fiber Air Box Kit and Stainless Steel Sport Mufflers, as well as...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the ML 63 AMG. With the combination of the RennTech ECU Upgrade and the latest, 3rd generation Diverter Valve RennTech is able to add up to 122 HP and 178 LB-FT to the 5.5L V8 BiTurbo...

Description: The Mercedes 253 - GLC 63 AMG comes with the newest engine fully developed by AMG, the company’s Affalterbach based performance division and long fabled engine builder. The result is nothing short of spectacular and the 4.0L V8 BiTurbo engine is an incredible...

Description: The Mercedes 253 - GLC 63 AMG comes with the newest engine fully developed by AMG, the company’s Affalterbach based performance division and long fabled engine builder. The result is nothing short of spectacular and the 4.0L V8 BiTurbo engine is an incredible...

Description: The Mercedes 253 - GLC 63 AMG comes with the newest engine fully developed by AMG, the company’s Affalterbach based performance division and long fabled engine builder. The result is nothing short of spectacular and the 4.0L V8 BiTurbo engine is an incredible...

Description: The RennTech tuning module allows the user to change the performance level and gives the ability to set different performance levels running both higher or lower boost compared to delivered settings. This gives you power on demand or economy when you want with...

Description: The RennTech R3 Performance Package is the evolution stage of the R2 Pkg. Included in the R3 Package are all upgrades from the R2 Pkg, ECU Upgrade, Diverter Valve, Air Filters, Carbon Fiber Air Box Kit and Stainless Steel Sport Mufflers, as well as...

Description: The RennTech R3 Performance Package is the evolution stage of the R2 Pkg. Included in the R3 Package are all upgrades from the R2 Pkg, ECU Upgrade, Diverter Valve, Air Filters, Carbon Fiber Air Box Kit and Stainless Steel Sport Mufflers, as well as...

Description: The RennTech R2 Performance Package is the evolution stage of the R1 Pkg. The R2 not only brings additional power, but also gives the car a deeper sport sound that keeps with character of a luxury performance vehicle. Included in the R2 Package are...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the E 63 AMG. With the combination of the RennTech ECU Upgrade and the latest, 3rd generation Diverter Valve, RennTech is able to add up to 146 HP and 257 LB-FT to the...

Description: The RennTech R2 Performance Package is the perfect entry level performance upgrade for the E 55 AMG. Performance package R2 takes performance to the next level and is a step up from our R1 tuning package. The R2 performance package includes the same components found...

Description: The RennTech R1 Performance Package is the perfect entry level performance upgrade for the E 55 AMG. Performance package R1 includes our proprietary HHT - Hand Held Tuner ECU Upgrade and crankshaft pulley in addition to our higher efficiency intercooler pump for increased, power, performance...