Description
Downpipe for engine daza Audi rs3
High-performance downpipes for the Audi RS3 2.5L TFSI (DAZA) engine are available from several brands in both catted and catless options, which reduce back pressure and increase power. An upgraded downpipe is typically a required component for “Stage 2” ECU tunes to unleash the engine’s full potential.
High-Flow Catted Downpipes: Downpipe for engine daza Audi rs3
Catted downpipes utilize a high-flow catalytic converter to manage emissions and smells, while still offering significant performance improvements over the stock unit.
- Integrated Engineering (IE) Performance Downpipe System
- Features unrestricted 3.5-inch minimum size tubing with a high-flow metal matrix 200-cell catalytic converter.
- According to Integrated Engineering, it can help achieve up to 577 horsepower when combined with a Stage 2 tune and other modifications.
- The design uses specialized cast sections, which allows for maximum flow rates within the tight constraints of the chassis, a design not possible with traditional pipe bends.
- 034Motorsport Cast Stainless Steel Racing Downpipe
- Features a large 150mm diameter Euro 4 200-cell racing catalytic converter and dual 70mm diameter pipes, which are 17% larger than the OEM 60mm downpipes.
- Engineered in-house using 3D scanning technology for optimal fit and flow, resulting in increased horsepower, torque, and reduced turbo lag.
- Unitronic High-Flow Performance Downpipe
- Utilizes a 5-inch GESI G-Sport Ultra High Output 400cpsi catalytic converter, rated by GESI at up to 1000 HP.
- Comes bundled with Unitronic midpipes and is a direct bolt-on upgrade designed to meet or exceed local emissions standards.
- Boost Logic RS3 Downpipe with Gesi High Flow Cat
- Features a large 4.0″ downpipe outlet with a 400 S-wound 1000hp cat core splitting into dual 2.5″ pipes.
- Crafted from premium materials with laser-cut flanges and precision-machined v-band connections for a perfect, leak-free fit.
Catless (De-Cat) Downpipes
Catless downpipes offer maximum exhaust gas flow by eliminating the catalytic converter entirely, leading to the largest potential power gains and a more aggressive exhaust sound.
- MuchBoost Custom De-Cat Downpipe Kit
- This racing-focused downpipe replacement is made from acid-resistant steel and uses CNC production for precise fitment.
- It significantly reduces back pressure, resulting in faster turbo spool and increased power.
- Note that an ECU tune is necessary to avoid an error message from the second lambda sensor, as the catalytic converter is removed.
- BAR-TEK 4″ Downpipe
- A large 4-inch stainless steel downpipe at the turbocharger outlet that connects to a 3-inch connection to the catalytic converter connections.
- According to BAR-TEK, the main advantages include a significant performance increase (up to 30 hp and 30 Nm), faster engine acceleration, and lower exhaust gas temperatures.
- HPerformance 4″ Catless RACE Downpipe
- A continuous 4-inch (101.6mm) downpipe designed for extremely high horsepower applications (up to 1400hp).
- According to HPerformance, it offers up to 30% less exhaust back pressure than comparable 3.5-inch downpipes.
Note on Legality: Catless downpipes are for racing or off-road use only in many jurisdictions and are not legal for use on emissions-controlled street vehicles. It is the user’s responsibility to check local laws and regulation
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