Unitronic Downpipe for 2.5TFSI EVO (UH051-EXA)

Unitronic Downpipe for 2.5TFSI EVO (UH051-EXA)

Unlock the full performance potential of your 2.5 TFSI EVO engine with the Unitronic High-Flow Performance Downpipe. This direct bolt-on upgrade is designed to eliminate factory restrictions, allowing for increased power and enhanced throttle response. When combined with Unitronic Stage 2 Software, this downpipe helps push your performance to the next level, delivering up to 621HP/564LB-FT with supporting modifications like E85.

Featuring a GESi 5” G-Sport Ultra High Output UHO+ 400cpsi Catalytic Converter, this downpipe is engineered to meet or exceed emissions standards while dramatically improving exhaust flow, reducing turbo lag, and refining the engine’s exhaust note. The Unitronic High-Flow Downpipe is the perfect upgrade for enthusiasts looking to maximize power, sound, and responsiveness from their 2.5TFSI EVO-equipped Audi RS3 or TTRS.

Fitment:

• Compatible with: Audi RS3 8V.2 (2018-2022)
• Compatible with: Audi TTRS 8S (2016-2023)
• Engine Compatibility: 2.5 TFSI EVO (DAZA)

Key Features:

• High-Flow Downpipe Design:

  • Designed to eliminate restrictions and increase power by improving exhaust flow, reducing backpressure, and decreasing turbo lag.
  • Dual 70mm T304 Stainless Steel Tubing allows for superior flow characteristics, with TIG-welded construction for maximum strength and durability.
  • Cast Stainless Steel Pre-Cat Downturn and Post-Cat Transition sections improve flow efficiency and exhaust velocity, optimizing turbo performance.
  • OEM-Style Corrugated Mesh Flex Bellows allow for engine movement while maintaining optimal fitment and sealing integrity.

• GESi 5” G-Sport Ultra High Output UHO+ 400cpsi Catalytic Converter:

  • Designed to meet or exceed emissions standards while providing outstanding flow capacity. The UHO+ converter is rated for up to 1000HP, ensuring that the downpipe supports even the most powerful builds.
  • Factory Catalyst Placement ensures maximum efficiency, reducing heat soak and improving engine performance under all driving conditions.

• OEM-Style Mounting Provisions:

  • OE exhaust hanger mounting provisions and OE prop-shaft heat shield bracket provide a simple and secure installation, with no modifications required to fit the downpipe.
  • Maintains proper oxygen sensor placement to ensure accurate readings and optimal engine performance.

• Enhanced Exhaust Note:

  • The downpipe design enhances the turbocharged 5-cylinder engine sound, creating a more aggressive and refined exhaust tone, perfect for performance enthusiasts.

• Direct Bolt-On Fitment:

  • The Unitronic Downpipe is a direct replacement for the OEM unit, utilizing 3D modeling technology for perfect fitment with no modifications required. The installation process is straightforward and can be completed within a few hours with moderate mechanical skills.

• Compatible with Factory Cat-Back Exhaust System:

  • The downpipe integrates seamlessly with your factory cat-back exhaust, making it an ideal upgrade for those looking for performance gains without needing a full exhaust system overhaul.

Hardware Included:

• Unitronic High-Flow Downpipe for 2.5 TFSI EVO engines
• All required hardware for installation

Recommended Software:

For optimal performance, we recommend pairing the Unitronic Downpipe with Unitronic Stage 2 Performance Software. This software is designed to maximize the power gains from the downpipe, ensuring that your engine performs at its peak potential.

Recommended Hardware:

• Unitronic Wastegate Line Upgrade Kit for 2.5 TFSI EVO (to enhance boost control and system reliability)
• NGK R7437-9 Spark Plug Set for 2.5 TFSI EVO engines (for optimal ignition performance)

Performance Gains:

When combined with Unitronic Stage 2 Software and other supporting modifications, the Unitronic Downpipe can help your 2.5 TFSI EVO engine achieve:

• Up to 621HP
• Up to 564LB-FT of torque

These power figures are achievable when running E85 fuel and other performance upgrades such as a Unitronic 3” Intake System and Turbo Inlet Elbow.

Meets or Exceeds Emissions Standards:

The GESi 5” G-Sport UHO+ 400cpsi Catalytic Converter is emissions-compliant and meets or exceeds stringent environmental standards, ensuring that your high-performance build stays street legal. Unitronic has worked closely with GESi to validate the design, ensuring that the downpipe delivers performance without compromising emissions compliance.

Unmatched Design & Construction:

Unitronic’s engineering team utilized advanced 3D modeling and rigorous testing to develop the perfect downpipe for the 2.5 TFSI EVO engine. The cast stainless steel components, combined with T304 stainless steel tubing, ensure maximum durability and long-lasting performance. The design maintains optimal exhaust flow while preserving the unique exhaust note of the turbocharged 5-cylinder engine.

Install:

• Installation Time: Approximately 2-3 hours
• Installation Difficulty: Moderate (basic mechanical skills required)
• Tools Required: Standard hand tools (socket set, screwdrivers, etc.)
• Installation Notes:
  • This downpipe is a direct bolt-on replacement, with no modifications required to the exhaust system.
  • For optimal performance, the Unitronic Stage 2 Software is highly recommended to match the increased airflow from the downpipe.

Why Choose the Unitronic High-Flow Downpipe?

The Unitronic Downpipe for 2.5 TFSI EVO is the ideal upgrade for those looking to significantly increase their engine’s performance and reduce turbo lag. With its high-flow design, emissions-compliant catalytic converter, and direct OEM fitment, it’s the perfect solution for enthusiasts seeking more power and a more aggressive exhaust note without compromising reliability or street legality.