Silicone Breather Hose Kit

Designed to replace the problematic factory "spider" breather hose assembly
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Product Details

Designed to replace the problematic factory "spider" breather hose assembly, this kit is manufactured from high-quality automotive silicone and features a modular design that is compatible with all factory breather configurations and can easily be used with an aftermarket oil catch can. This kit includes the 034Motorsport Billet PCV Check Valve, as well as all hose clamps needed for installation.


  • High-Quality Automotive Silicone Construction
  • Includes 034Motorsport Billet PCV Check Valve
  • Straightforward, Clamp-On Installation
  • Compatible with All 3 Versions of B5 Audi S4 Breather Systems
  • Modular Design Allows for Oil Catch Can Installation
  • Includes New Hose Clamps!

What's Included:

  • 034Motorsport Silicone Main Breather Hose
  • 034Motorsport Silicone Early & Late Check Valve Hoses
  • 034Motorsport Silicone Early & Late PRV Hoses
  • 034Motorsport Billet PCV Check Valve
  • Complete Hose Clamp Kit

This Part Fits the Following Vehicles

Make Model Submodel Engine
Audi All Road All 2.7T
Audi B5 S4 All 2.7T
Audi C5 A6 Quattro 2.7T
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.
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