This performance package is bang for your buck, it consists of the Momentum GT cold air intake system (P/N: 54-76403), SCORCHER GT module (P/N: 77-46405) and a Restore kit (P/N: 90-50501). Momentum GT Intake Features: Unique One-Piece High Quality Housing W/ Sight Window: A custom CAD designed roto-molded housing made from heat soak resistant material eliminates the use of multiple components and ensures the coolest air intake charge available. A large clear sight window allows for filter inspection without removal of the air box. The roto-molded housing is made out of black cross-linked polyethylene. A urethane plug is also included for those cold weather applications where you want to block the auxiliary air scoop. High Quality Tube: This system uses a high quality plastic CAD designed, dyno-tuned, roto-molded intake tube to achieve maximum power gains while maintaining a perfect fit. Also included is a? high quality billet aluminum adaptor for factory smog pump and crankcase fitting provided for easy installation. Large 5-Layer Performance Air Filter: This Momentum GT intake system was designed around the largest filter possible to allow maximum performance and filtration. This cone filter has a large round flange and is 8" tall. The Pro 5R performance air filter features 5-layers of progressively finer mesh cotton gauze oiled media and is constructed with 100% polyurethane frame for long life and multiple cleaning cycles. Premium Hardware. SCORCHER GT Features: A simple 30 minute install will give you a huge increase in power. The aFe POWER SCORCHER GT Module includes a high quality case & wire harness with factory style connectors for an easy plug & play installation. A LED light switch provides In-Cabin On-The-Fly power adjustments. The 4-Power settings are adjustable with one button and the LED light represent the settings: Stock (Green), Sport (Yellow), Sport+ (Orange) and Race (Red) . This performance module increase turbo boost. SCORCHER GT Performance Package Audi A3 15-19 I4-1.8L (t)/2.0L (t) Audi A3 15-18 I4-1.8L (t)/2.0L (t)