If you want to improve the cold air flow to the filter you can replace the original air guide with a do88 air ducting hose (Part number AD89) that you can use to lead air from any preffered location in the front of the car
Maptun Performance 3-Piece Matte Black/Black Mesh Grille 03-07
9468 cm3 vs 6033 cm3
Inner diameter (mm): 114 mm Inner diameter (inch): 4 1/2 inch Length: Choose in dropdown (Qty = length in meter) Color: Black Wall thickness: 1 mm Temperature range: -70 to +280 degreeC Reinforcement: 2 layers Material: Silicone-coated glass fiber fabric and spring steel
5 mm Outer diameter: 2 1/2 inch Length: 1000 mm Wall thickness: 2 mm Material: 6063 Possible to weld: Yes Bead Rolled ends: Yes
VAG 1.8/2.0 TSI (MQB) Turbo inletpipe, Black hose, Hybrid Turbo, OEM Airbox TRANSMISSION/CLUTCH 9-5 (99-09) If you want to improveHigh performance turbo inlet, designed by do88. For easy drop in fitment in your Audi Seat Skoda VW 1. 8 TSI 2. 0 TSI (MQB). Significant advantages with do88 turbo inlet pipe (OEM comparison numbers): Larger diameter: 76mm (70 mm), results in 35% larger flow area! Air flow at 75 mbar 1,09psi pressure drop, 514 CFM (410 CFM), do88 25 % higher flow! CNC machined turbo flange with flow optimized radius! Flow optimized silicone hose with stepped inside
