APR AIR-TO-WATER INTERCOOLER SYSTEM - B9 RS4/RS5 2.9T

APR AIR-TO-WATER INTERCOOLER SYSTEM - B9 RS4/RS5 2.9T

Marsoni

M251S

$1099.97

Get it in 3 business days with 1 day shipping. Friday, May 29

APR AIR-TO-WATER INTERCOOLER SYSTEM - B9 RS4/RS5 2.9TFits: 2018+ Audi RS4 RS5 2. 9T EA839 The APR Air to Water Intercooler System for the B9 RS4 RS5 2. 9T EA839 offers a substantial leap in performance that directly translates to more horsepower and torque, and consistent performance that's unmatched by the factory cooler. The factory cooler struggles to cool the charged air resulting in excessive intake air temperature due to its small size. This struggle results in ECU protecting the engine by pulling

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This works well for what I needed – a simple background for my kids’ online school. It’s lightweight and very easy to put together, and it stands up fine without needing to mount anything. The color is listed as black, but it’s more of a dark gray in person. Not a huge deal, just something to be aware of. It’s not super heavy duty, but it does the job for privacy and as a video backdrop. Overall, a good, portable divider that’s quick to set up and works well for light use.

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Reviewed in the United States on February 21, 2026

Verified Purchase

Robert A. Bertsche

Grantham, US

★★★★★ 5

Essay to assemble

Color: Grey

Very nice. Did the job the way I wanted.

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Reviewed in the United States on April 28, 2026

Verified Purchase