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Silicone Throttle Body Inlet Hose, High-Flow, B8 Audi S5 4.2l Fsi V8


034Motorsport is proud to offer our Silicone Throttle Body Inlet Hose for the B8 Audi S5 4.2L FSI V8!

This hose is designed to replace the restrictive corrugated plastic unit, and features a larger internal area and smooth inside for higher flow and life long durability.

This durable, high quality silicone hose was modeled directly off of the factory part to ensure perfect fit and finish, and extensively tested at 034Motorsport and by our development partner, JH Motorsports. In addition to cloth reinforcement, this hose features stainless steel wire reinforcement to prevent collapse under vacuum.


  • Wire-Reinforced Multi-Ply Silicone Construction
  • Maintains Smooth Inside Surface for Optimum Flow
  • Eliminates Restrictive Factory Intake Muffler for Increased Induction Sound & Improved Performance
  • Noticeable Top-End Horsepower & Torque Gains
  • CNC-Machined Aluminum PCV Connection Nipple
  • Direct Drop-In Replacement of Factory Hose


  • 2008 - 2012 Audi S5 4.2L FSI (B8) - 6MT & Tiptronic
  • Please Note: Early (2008) vehicles have a slightly different engine cover which may require slight trimming to fit perfectly with this hose.


  • 079 129 615F / 079129615F

Installation Instructions:

Available in black only.

Wheel Horsepower Dyno Plot | 91 Octane | Stock B8 Audi S5 4.2L FSI with 034Motorsport High-Flow Throttle Body Inlet Hose:

B8 Audi S5 4.2L FSI Dyno Comparison | 034Motorsport Throttle Body Inlet Hose Horsepower & Torque Gains

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