Unitronic Downpipe with Midpipes for Audi 8V RS3 & 8S TTRS - 2.5TFSI EVO
Unitronic Downpipe with Midpipes for Audi 8V RS3 & 8S TTRS - 2.5TFSI EVO
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$2,269.99
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$2,269.99
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Description
The Unitronic High-Flow Performance Downpipe for 2.5TFSI EVO (DAZA) engines is a direct bolt-on upgrade, designed specifically to eliminate unwanted restrictions in the factory unit and increase power with the help of Unitronic Stage 2 Software. It also helps reduce turbo lag and enhance the exhaust note, while utilizing a GESi 5” G-Sport Ultra High Output UHO+ 400cpsi Catalytic Converter which is engineered to meet or exceed emissions standards.
The Unitronic High-Flow Performance Downpipe comes bundled with Unitronic Midpipes to further eliminate restrictions and when combined with Unitronic Stage 2 Performance Software, yields output of up to 621HP/564LB-FT with E85 and other supporting hardware modifications.
The Unitronic High-Flow Performance Downpipe comes bundled with Unitronic Midpipes to further eliminate restrictions and when combined with Unitronic Stage 2 Performance Software, yields output of up to 621HP/564LB-FT with E85 and other supporting hardware modifications.
Features / Benefits
- Cast Stainless Steel pre-cat downturn and post-cat transition
- Dual 70mm T304 Stainless Steel tubing
- TIG-welded construction
- GESi 5” G-Sport Ultra High Output UHO+ 400cpsi Catalytic Converter
- Factory catalyst placement for maximum efficiency
- OEM-style corrugated mesh flex bellows
- Proper factory Oxygen Sensor placement maintained
- OE exhaust hanger mounting provisions
- OE Prop-shaft heat shield bracket
- Direct bolt-on fitment
- Compatible with factory cat-back exhaust system
Hardware Included
- Unitronic High-Flow direct fit Downpipe for vehicles equipped with 2.5 TFSI EVO engines.
- Driver and passenger side midpipes.
- All required hardware.
Recommended Software
- Stage 2
Unbeatable Design and Construction
As with the original unit, Unitronic utilized the 1-to-2 split downpipe design. Following Audi’s modeling, Unitronic developed a large high-flow cast stainless steel downturn, increasing cross-sectional area, effectively improving flow and decreasing back pressure. Part of the design criteria was to maintain un-biased flow between the runners. Flow through the large catalytic converter aids with flow distribution; and as a result, pressure and exhaust velocity are balanced to maintain efficiency and the distinct sound of the turbocharged 5-cylinder engine. The post-cat cast stainless steel transition continues, allowing for a smooth transition and flow distribution into dual 70mm T304 stainless steel tubing with OEM-style corrugated mesh flex bellows.
Meets or Exceeds Emissions Standards
Unitronic Engineers thoroughly validated designs to ensure the Downpipe yields the results intended with several functional prototypes created. While working together with GESi, Unitronic tested several iterations of their G-Sport Emissions Systems Catalytic Converters to ensure the product meets or exceeds emissions standards and finally chose the GESi 5” G-Sport Ultra High Output UHO+ 400cpsi Catalytic Converter which is rated at up to 1000HP by GESi.
Install
The Unitronic 2.5TFSI Downpipe and Midpipes are direct OEM replacements. Using 3D modeling technology, Unitronic's Downpipe and Midpipes are direct bolt-on upgrades that can be installed within a matter of hours with moderate mechanical knowledge and tools.
