Wagner Tuning cast aluminium intake manifolds are CAD designed and flow optimized for each vehicle to produce the ultimate in horsepower and torque from your vehicle. Constructed of 8.5 lbs. of high grade AlSiMg11 cast aluminium and then CNC machined to our exacting specifications, each manifold is a performance work of art. OEM+ Fit and finish for easy installation. The Intake comes with a special surface treatment, which is equal to the TTRS intake manifold. The Wagner Tuning intake manifold features: Lower air temperature increased throttle response. Smaller size when installed allows for larger intercoolers. Tuned intake pulse reduces throttle body valve flutter. Optimized airflow allowing for increased cylinder fill during intake cycle. Note: For ABY to ADU code engines a modified servo pump bracket is required. ( (WAGNER item number 001002015 order via eMail request) As the throttle body location has been relocated to the front of the engine compartment, you will need to use the OEM Audi throttle cable part #893721555R. All connectors for vacuum and other ports are pre-installed using high grade steel hardware and fittings. The intake manifold is delivered ready to install.