The new APR Race Downpipe is compatible with the APR Midpipes, and compatible with all factory components. This fits the new RS3 and TT RS, both right and left hand drive. DPK0028 is a 4 inch system with a cast constant diameter outlet that splits into a cast Y making the system a dual 2.5" system. This upper Race DP comes with the Stage 2 Auth Code.
The APR Race DP and Midpipes are the ultimate exhaust upgrade for the Audi 2.5 TFSI EVO! This system is sold in multiple configurations and is completely compatible with every component in the factory exhaust system, allowing you to customize the exhaust to your desire. We upgrade various components, which allow for better turbocharger response and power delivery, while delivering an enhanced 5 cylinder symphony you’ll love! Expect only the best components and highest quality and manufacturing techniques, and to fully enjoy the full system, get the APR Stage 2 ECU Upgrade at no charge over APR Stage 1/1+ with the included free upgrade code!
The APR Race DP features a port-matched outlet connected to a smooth, 4” continuous-radius cast-bend, with an ultra-smooth cast-Y that splits the system into a dual 2.5” exhaust path. In contrary, the factory DP has a sharp transition exiting the turbo, which dumps directly into a massive and hot catalyst that keeps your engine bay toasty. From there the system splits into kinked piping, with less than ~2” of diameter on one side and ~2.3” on the other. The factory system wasn’t designed with ultimate performance in mind like our system.
The system is made from T304 stainless steel. The cast Y is electropolished, and all non-cast piping is mandrel bent with a brushed finish. As always, we only use argon-backpurged TIG welding techniques to assemble the systems.
The system features precision laser cut brackets with integrated PIM nuts for a reliable connection to the factory bracket. Our CNC machined v-band and OEM-style 3-bolt-flanges are precision cut and extremely flat ensuring an accurate seal. We include new gaskets and copper plated nuts as well. Both O2 sensors bungs are cast and welded on top of the system in such a way as to prevent from protruding into the exhaust flow path. Lastly, we use OEM-style flex sections that are fully sealed with a corrugated inner liner for improved airflow. This design also resists billowing, rubbing, rattling and fraying, as is common with other types of flex sections.
The APR Race DP is compatible with the factory midpipes and our midpipes. This component, and APR Race Midpipes, is required for Stage 2, and includes a free authorization code to upgrade from APR Stage 1 or 1+ to Stage 2 at no additional charge.
The APR Race Midpipes with Catalysts are both 2.5” and are designed as a simple plug and play upgrade. We use T304 stainless steel piping that’s brushed, mandrel bent, and TIG welded to the included catalyst and CNC machined ultra-flat OEM-style 3-bolt-flanges. The system includes new gaskets, bolts and copper plated nuts.
The system includes two proprietary 300-cell GESI high-flow catalyst, which are ideal for forced induction applications. They feature a fully captured substrate brick, which is furnace brazed to the outer mantle and physically captured by the diffuser cones. This helps to prevent rattling, rotation and damage to the substrate, especially on higher horsepower applications.
The APR Race Midpipes with Catalysts are compatible with the factory DP and our Race DP. Race Midpipes (catted or non-catted) are required for Stage 2 along with our Race DP.
The APR Race Midpipes are both 2.5” and are designed as a simple plug and play upgrade. We use T304 stainless steel piping that’s brushed, mandrel bent, and TIG welded to the included CNC machined ultra-flat OEM-style 3-bolt-flanges. The system includes new gaskets, bolts and copper plated nuts.
The APR Race Midpipes are compatible with the factory DP and our Race DP. Race Midpipes (catted or non-catted) are required for Stage 2 along with our Race DP.
|Vehicle||NAR Fuel||ROW Fuel||Max HP||Max TQ||Max HP Gain
|Max TQ Gain
|- APR recommends and tuned with Sunoco GT 260 for 100 AKI mode and Sunoco GT 260 Plus for 104 AKI mode. Never use lower octane than specified by the mode.|
|- E85 software is not a full flex fuel program. In this mode the engine is only designed to work on E85, as found directly at the pump, including both summer and winter blends from E60-E85. Using traditional pump fuels in this mode may result in engine damage. Do not manually blend with traditional pump fuel or race fuels. To ensure proper E85 content levels, APR recommends using an E85 content sensor.|
|- Max increases are based on APR's actual measured stock values and not those reported by VAG. | RON = ROW Fuel Grades | AKI = North American (RON+MON)/2 Fuel Grades.|
|- Reported wheel figures measured on APR's in house Dynamometer with a US Spec 2018 RS3, using SAEJ1349 correction and an average of multiple runs. Crank figures are estimated based on the measured wheel figures. Results may vary depending upon environmental conditions, vehicle, transmission, vehicle health, operating conditions, temperatures, fuel grade, dyno type, dyno setup, other variables and other modifications. On the dyno, this platform will see large swings in power based on intake air temperature, and the gear in which it's dynoed.|
|Stock As Reported by Audi||91 AKI||95 RON||394 HP||354 FT-LBS|
|Stock As Measured by APR||93 AKI||98 RON||420 HP||372 FT-LBS|
|APR Stage 2 with Inlet, IC, Race DP & Race Midpipe||91 AKI||95 RON||499 HP||468 FT-LBS||+92 HP||+113 FT-LBS|
|APR Stage 2 with Inlet, IC, Race DP & Race Midpipe||93 AKI||98 RON||519 HP||496 FT-LBS||+110 HP||+134 FT-LBS|
|APR Stage 2 with Inlet, IC, Race DP & Race Midpipe||-||102 RON||529 HP||490 FT-LBS||+120 HP||+125 FT-LBS|
|APR Stage 2 with Inlet, IC, Race DP & Race Midpipe||100 AKI||104 RON||540 HP||512 FT-LBS||+131 HP||+147 FT-LBS|
|APR Stage 2 with Inlet, IC, Race DP & Race Midpipe||104 AKI||108 RON||548 HP||520 FT-LBS||+140 HP||+156 FT-LBS|
|APR Stage 2 with Inlet, IC, Race DP & Race Midpipe||E85||E85||574 HP||530 FT-LBS||+165 HP||+165 FT-LBS|
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