APR DPK0028 Race Downpipe Audi 8V RS3 and Mk3 TT RS
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The APR DPK0028 Cast Downpipe replaces the restrictive factory downpipe with a larger free-flowing system. While adequate for the stock power levels, the OEM downpipe suffers from a sharp transition exiting the turbo, then right into a hot catalytic converter which dumps waste heat directly into the engine bay. From there the factory system splits into kinked piping, with less than 50mm of diameter on one side and ~58mm on the other. The APR system addresses these issues by using a port matched 102mm outlet which then smoothly transitions into the cast stainless Y-section to split the 102mm pipe into dual 63.5mm piping, moving the catalysts out of the engine bay. Expect better throttle response, significant power gains, and an intoxicating 5-cylinder exhaust note, while remaining civilized during normal daily driving.
The APR Race DP is compatible with the factory midpipes as well as APR midpipes. APR includes a Stage 2 ECU Upgrade code for a free upgrade from an APR Stage 1 tune to Stage 2.
APR DPK0028 highlights:
T304L stainless steel construction.
Cast stainless Y-section.
CNC machined V-band inlet.
Argon back-purged TIG welding.
Brushed and de-burred piping.
Investment cast O2 bungs
APR DPK0028 Downpipe Vehicle Fitment:
APR DPK0028 Downpipe Manufacturing: The APR Downpipe is a fully T304L system with a cast Y-section, the cast section is electropolished and all non-cast piping is mandrel bent with a brushed finish. The primary v-band connection as well as the OEM style 3 bolt flanges are CNC machined for extreme flatness and a perfect seal. The OEM style flex sections are fully sealed with a corrugated inner liner for improved airflow. Precision laser cut brackets with integrated PIM nuts provide a reliable connection to the factory bracket. New gaskets and copper plated nuts are included as well.
APR DPK0028 Downpipe Install: Installation of the APR downpipe typically takes 3-4 hours. Basic hand tools are necessary for installation, no cutting or welding is required. Please observe all safety precautions and follow proper installation guidelines while working on your vehicle.
APR products are warranted to be free from defects in the materials and workmanship prior to installation. This warranty does not cover labor, misuse, faulty installation, failure of related parts or parts purchased other than from APR, LLC. This warranty extends to the original purchaser for as long as they own the vehicle and the APR product.