
APR mpk0008 Exhaust Race Midpipes with Catalysts
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These are APR's catted race midpipes for VW/Audi turbo cars: two 2.5-inch T304 stainless pipes with GESI high-flow catalysts, built as a direct bolt-on replacement for the factory midpipes. They mate to the stock downpipe or APR's Race downpipe and are required, along with a Race downpipe, to run APR Stage 2. The GESI bricks are furnace-brazed and physically captured by the diffuser cones, which APR says resists rattling and substrate damage on high-power builds. Compared with catless midpipes they keep a catalyst in the exhaust for emissions and smell; compared with stock they flow more and unlock Stage 2 tuning.
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Lowest price we've seen: $649.99 on Oct 31 at XLR8 Performance. Tracked across 2 stores since Oct 31.
The APR Race Midpipes with Catalysts are dual 2.5" exhaust midpipes designed as a plug-and-play, direct replacement for the factory part. They work with both the factory downpipe and the APR Race downpipe.
The piping is brushed T304 stainless steel, mandrel bent and TIG welded with argon back-purging. It is welded to the included catalysts and to CNC-machined, ultra-flat, OEM-style 3-bolt flanges.
The two GESI high-flow catalysts are intended for forced induction applications. Each has a fully captured substrate brick, furnace brazed to the outer mantle and held by the diffuser cones. This helps prevent rattling, rotation and damage to the substrate, especially on higher-horsepower setups. Race Midpipes, catted or non-catted, are required for Stage 2 along with the APR Race downpipe.