Cooling Hose (Center of Lower Expansion Tank to Engine) - VW/Audi 2.0T TSiThe Genuine expansion tank hose is the GENUINE part, as sold new by the dealer. Features and Benefits: Original Equipment Supplier Inner linings are resistant to electrochemical cracking High strength and resistance to oil, mud, salt, road debris, and ozone Resistance to distilled water and water ethylene glycol mixtures Resistance to air temperatures of up to 125C Part # 1K0 121 109 AL 1K0121109 AL 1K0 121 109 AL

System requirements:

We know you like the looks you get as you cruise the streets or wake up the city with the simple touch of the gas pedal

we test each model of intercooler in a controlled environment on our in-house engine dyno

After some testing it was obvious for us that our theory was right and that the bypass causes this problem

OE Part #   1H0-407-365-A / 1H0407365 A / 1H0 407 365 A / 1H0407365A

DESIGNED FOR RELIABLE HORSEPOWER

ethanol fuel support

while decreasing NVH (noise vibration and harshness)

2012+ C7 Audi A6/S6

resulting in increased horsepower and torque throughout the powerband when paired with Stage 2 Performance Software

5K0-857-521-A / 5K0857521 A / 5K0 857 521 A / 5K0857521A

this is adequate for proper atomization and fuel mass delivery into the cylinders