RENNtech | 82MM Throttle Body | Carbon Fiber Airbox | Package | M113 | 5.5L Supercharged V8 porsche-911--996---1997-2005--gt3-rs-esr9477836 Our SLS performance package 2

Our SLS performance package 2 features our proprietary ECU tuning software and long tube headers as found in package 1 with the addition of our sound and performance x-pipe exhaust

+27 HP / +30 LB-FT

Audi RS4 (B7)

Corniche 6

RENNtech | 82MM Throttle Body | Carbon Fiber Airbox | Package | M113 | 5.5L Supercharged V8 porsche-911--996---1997-2005--gt3-rs-esr9477836 Our SLS performance package 2RENNtech 82mm Throttle Body and Carbon FIber Air Box Performance Package. Gains: +30HP & +30TQ Our 82 mm throttle body and carbon fiber airbox upgrade is the perfect combination to maximize your 55's performance. This combination allows for a greater volume of incoming air to the engine to maximize performance across the vehicles entire power band and is good for an additional 30 hp and 30 lb ft of torque Gains: +30HP & 30TQ Fittment: 219 CLK 55 AMG