XS-POWER F23L K04-106 Turbo –
Audi 2.0T A4 B7/B8 A5 Q5 Allroad Hybrid Upgrade (MFS)
Audi A4 FSI & TFSI Engines
XS-POWER F23L K04-106 Turbo
Audi 2.0T A4 B7/B8 A5 Q5 Allroad Hybrid Upgrade (MFS)
Overview
Upgrade your Audi 2.0T with the XS-POWER F23L K04-106 turbo, engineered as a direct replacement for the factory K03.
This unit delivers significantly increased airflow, higher boost capability, and stronger top-end performance while maintaining fast spool and OEM-style fitment.
This is one of the most proven upgrade paths for A4 B8 platforms and is compatible with multiple Audi 2.0T applications.
Why This Turbo Works
- Increased airflow over stock K03
- Strong midrange with improved top-end power
- Fast spool characteristics without large turbo lag
- Direct-fit installation with no fabrication required
This setup provides an ideal balance between power and drivability.
Turbo Specifications
Model: XS-POWER F23L K04-106
Type: K04 Hybrid Upgrade
Compressor Wheel:
- Inducer: 46.7mm
- Exducer: 62.2mm
- Machined From Solid (MFS)
Turbine Wheel:
- Inducer: 50.0mm
- Exducer: 44.5mm
OEM Cross Reference:
53039880106 / 53039700106
06D145701G / GX / H / HX / D / E
Performance
- Capable of up to approximately 475 HP and 400 TQ with proper setup
- Significant improvement over stock K03
- Strong power delivery throughout the RPM range
Tune is required for proper operation.
Fitment – Audi 2.0T
- Audi A4 B7 (2005–2008) – BWE / BUL
- Audi A4 B8 (2009–2016) – CAEB
- Audi A5 B8 (2008–2016)
- Audi Allroad B8 (2012–2015)
- Audi Q5 (2009–2017)
Front-wheel drive and Quattro supported.
What’s Included
- F23L K04-106 turbocharger
- Installation hardware (see product images)
Key Features
- Upgraded MFS compressor wheel
- Direct-fit replacement for K03
- VSR high-speed balanced CHRA
- OEM-style fitment
- Designed for tuned applications
Recommended Setup
- K04 / F23L specific ECU tune
- Upgraded intercooler
- Proper fueling (HPFP and/or injectors as required)
- High-quality synthetic oil and proper warm-up procedure
XS-POWER
- Over 25 years in performance manufacturing
- Proven turbocharger and exhaust solutions
- Worldwide distribution and support
