B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose DIY

B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose DIY

Supplied Parts:

  • 034Motorsport B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose
  • 2 Hose Clamps

Tools Needed:

  • Hands (2) (Opposable thumbs are optional)
  • Flathead Screwdriver or 7mm Hose Clamp Driver
  • Phillips Screwdriver
  • Flat Pliers or Hose Clamp Pliers

Step 1 – Pull the hood release latch inside the passenger compartment, then open the hood.
Step 2 – Observe the stock throttle body inlet tube in its natural habitat. Notice that the factory engine cover is kind of in the way. Unclip the engine cover and set it aside.
Step 3 – Use flathead screwdriver or hose clamp driver to loosen the stock hose clamps at the airbox and throttle body.
Step 4 – Unclip the PCV tube from the throttle body hose and remove the small vacuum hose from the 90 degree elbow in the throttle body boot using hose clamp pliers.
Step 5 – Pre­install the supplied clamps onto the 034Motorsport B8 Audi S5 4.2L FSI Throttle Body Inlet Hose.
B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose DIY | Performance Air Intake V8
Step 6 – Slip the B8 Audi S5 4.2L FSI Throttle Body Inlet Hose onto the throttle body first.
B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose DIY | Performance Air Intake V8
Step 7 – Slip the other side onto the MAF housing at the intake. The airbox can be moved around to aid installation.
B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose DIY | Performance Air Intake V8
Step 8 – Align the hose and tighten the hose clamps onto the MAF housing and throttle body. Clip in the PCV tube to the aluminum fitting on the new hose and reinstall the small vacuum hose using the factory spring clamp.
B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose DIY | Performance Air Intake V8
Step 9 – Reinstall the factory engine cover. You’re all done!
B8 Audi S5 4.2L FSI V8 Engine Bay with 034Motorsport Performance Air Intake Hose Replaces 079129615F

B8 Audi S5 4.2L FSI High-Flow Throttle Body Inlet Hose