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Throttle Body Intake Boot, B5 Audi S4 & C5 Audi A6/Allroad 2.7T, Silicone

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The stock rubber 2.7T Throttle Body Inlet Boot is notorious for ripping and causing leaks, usually at the worst possible time. 

034Motorsport's high quality silicone replacement is modeled off the factory hose to ensure excellent fitment, and has beefy 4-ply reinforced silicone construction to withstand increased boost pressures up to 22 PSI. For applications running higher boost, we recommend using our 034Motorsport High-Flow Stainless Steel Bipipe Set.

The 034Motorsport 2.7T TBB also features a throttle body referencing ridge to lock the hose into the throttle body receiver groove.  All necessary hose clamps are supplied with the 034Motorsport 2.7T Throttle Body Boot, including a sturdy 3.50" T-bolt clamp for the throttle body connection for secure clamping.


  • 2000 - 2002 Audi S4 (B5)
    • 2.7T
  • 1998 - 2004 Audi A6 (C5)
    • 2.7T
  • 2001 - 2003 Audi Allroad (C5)
    • 2.7T

Available in blue, black, or red. Please select from the otions above.

Replacement hose clamps are now included with every purchase!

Please Note: Some trimming of the MAP sensor provision may be required to fit the factory plastic engine cover, as the silicone is more robust than the flimsy factory rubber.

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