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Total Rear Subframe Insert Kit | Audi - B9 A4/S4/RS4/A5/S5/RS5/Allroad | TGK Motorsport

Total Rear Subframe Insert Kit | Audi - B9 A4/S4/RS4/A5/S5/RS5/Allroad | TGK Motorsport

TGK-0404-08

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Regular price $329.99
Sale price $329.99 Regular price



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Total Rear Subframe Insert Kit | Audi - B9 A4/S4/RS4/A5/S5/RS5/Allroad | TGK Motorsport

$329.99

Overview

The TGK Motorsport Complete Billet Rear Subframe Insert Kit transforms your Audi B9 platform's chassis dynamics through precision-engineered rear end reinforcement. This comprehensive solution eliminates flex and instability at critical mounting points, delivering the rigid foundation serious performance driving demands.

Machined from premium billet materials, this complete kit targets every weakness in the OEM subframe mounting system. Track-proven engineering reduces differential movement under high torque loads while maintaining comfortable street manners, making it essential for enthusiasts pushing their B9 platform to its limits.

Details

Product specifications:

  • Construction: Premium billet aluminum
  • Application: Audi B9 A4/S4/RS4/A5/S5/RS5
  • Kit Contents: Complete subframe inserts and rear differential inserts

Features and benefits:

  • Complete Subframe Reinforcement — Comprehensive kit eliminates all rear subframe flex points for maximum chassis rigidity and control.
  • Precision Billet Construction — CNC-machined from premium aluminum billets for uncompromising strength and dimensional accuracy.
  • Reduced Differential Movement — Eliminates unwanted differential deflection under high torque scenarios for consistent power delivery.
  • Enhanced Launch Control — Significantly improves stability during aggressive launches and high-load acceleration events.
  • Direct OEM Integration — Drop-in replacement design requires no modifications while delivering professional-grade performance gains.
  • Track-Proven Performance — Engineered for both street comfort and track durability across all B9 platform variants.

Fitment

Years Make Model Engine Trim
2000-2002 Audi S4 2.7TT V6 All
2004-2005 Audi S4 4.2 V8 All
2006-2008 Audi S4 4.2 V8 All
2007-2008 Audi RS4 4.2 V8 Sedan/Cabriolet
2008-2009 Audi S5 4.2 V8 Coupe (V8 not offered on Cabriolet)
2009-2012 Audi A4 2.0T All
2009-2012 Audi A4 2.0T CVT (Multitronic)
2010-2012 Audi S4 3.0T (supercharged) All
2010-2012 Audi S5 3.0T (supercharged) All
2013-2016 Audi A4 2.0T All
2013-2016 Audi S4 3.0T (supercharged) All
2013-2017 Audi A5 2.0T All
2013-2017 Audi S5 3.0T (supercharged) All
2017-2019 Audi A4 2.0T All
2018-2019 Audi A5 2.0T All
2018-2019 Audi RS5 2.9TT All
2018-2019 Audi S4 3.0T All
2018-2019 Audi S5 3.0T All
2020-2024 Audi A5 2.0T All
2020-2024 Audi S5 3.0T All
2020-2025 Audi A4 2.0T All
2020-2025 Audi RS5 2.9TT Coupe/Sportback (2020-2024); Sportback only (2025)
2020-2025 Audi S4 3.0T All
2023-2025 Audi RS5 2.9TT Competition