Audi S/RS Models The sheer power and performance of Audi's "S" and "RS" models

2001 Audi S4

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Old 04-15-2008, 01:29 PM
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Default 2001 Audi S4

Hey,

Just bought a 2001 Audi S4 and looking to upgrade some stuff on it. Any suggestions or tips? Thinking about chip upgrade and air intake for starters...
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Old 04-15-2008, 03:38 PM
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Default Re: 2001 Audi S4

Congrats on your new car!

You don't need to upgrade the intake housing, even with a chip. Still not needed but you could consider a drop-in panel filter, avoid excess filter oil as it can clog your Mass Airflow Sensor which will cause the car to slowly run worse over time. A Darintake modded airbox (a big hole in the bottom covered with screen) is good for 2.7T StageIII air intake needs.

A Chip can shorten the life of the stock Turbo's. With a ~15psi chip, the stock Intercoolers will cause a ~2psi restriction at the intake because they were designed for ~9psi boost. This make chipped K03's work even harder to meet chipped boost level so you may want to consider upgrading IC's with a chip. Regular synth oil changes with proper handling, gentle warm up and cool downs will help keep Turbo's happy. Turbo replacement is alot of work to do it yourself and $4Kish labor expensive to have it done.
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Old 04-17-2008, 11:35 AM
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Default Re: 2001 Audi S4

chip is a great mod but here should be your first mods

depending if yours is an 01 or 01.5

Samco F hose and Throttle body boot (OR) APR Bipipe (more $$)
2 New 710N OEM Diverter Valves
Boost gauge (AWE is the nicest but you can do a 42dd vdo gauge from concept1 in town)

then once you have that complete now you can mod your car for power

APR 91/93 chip from concept1 or Giac X chip from tunerworks
APR downpipes and catback from concept1 or AWE downpipes and twin1 or twin2 from tunerworks

and go from there haha
enjoy the car

you on eurodrivers?
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