Prosport lowering springs to fit Audi A4 B6 B7 Avant Estate 2.0TDi NOT Quattro catalytic convertor box removal upgrade This kit allows for an

This kit allows for an increase in airflow and induction noise over the factory intake equipment

Crossover frequency: 400 HzMin

Recommended Box Volume Ported (Litres) 45

Includes 52mm plastic swivel pod mount

Prosport lowering springs to fit Audi A4 B6 B7 Avant Estate 2.0TDi NOT Quattro catalytic convertor box removal upgrade This kit allows for anPowered by Frooition Contact Us View Feedback Save Seller All Items See our eBay store for more great items >> Shop Categories Alloy WheelsBLUETOOTH HANDSFREECAR AUDIOAmplifiersAux In AdaptorsBass BoxesCD TunersDAB + Digital RadioiPod AdaptorsSpeakersSubwoofersCAR AUDIO FITTING PARTSAerial AdaptorsDAB Digital RadioDouble Din Facias KitsSingle Din Facias KitsSpeaker Adaptor KitsSteering Stalk AdaptorsCAR SECURITY PARKING SENSORSDashboard Camera