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Unitronic Performance Downpipe w/o Midpipes - Audi RS3 / TT RS 2.5TFSI EVO 2017+
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.
When combined with Unitronic Stage 2 Performance Software total output is raised to 621HP/564LB-FT with E85 and other supporting hardware modifications.
Warranty Registration is REQUIRED for all products integrating GESi Catalyst(s) HERE.
- 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
- Unitronic High-Flow direct fit Downpipe for vehicles equipped with 2.5 TFSI EVO engines.
- All required hardware.
- Stage 2
Required Hardware
- 2.5TFSI EVO Spark Plug Set (NGK R7437-9) by Unitronic
- Unitronic 3 inch Intake System for 2.5TFSI EVO
- Unitronic 3'' Turbo Inlet Elbow for 2.5 TFSI EVO
- Unitronic 4 inch Intake System for RS3 and TTRS, 2.5TFSI EVO
- Unitronic 4 inch Turbo Inlet Elbow for 2.5TFSI EVO
Related Hardware
- LHD P3 V3 OBD2 Gauge for 8S TT/TTS/TTRS by Unitronic
- P3 Gauge - 8V A3/S3/RS3 by Unitronic
- Unitronic Midpipes for 2.5TFSI EVO
- Unitronic MPI Injector Upgrade Kit for 2.5TFSI EVO
- Please note that specific files are available for vehicles equipped with upgraded injectors.


Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
Find more information at www.P65Warnings.ca.gov.
