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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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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I do like the wallet but I hate the little extra flap inside it. It's very hard to get my license out of it. It makes the wallet way too thick. I just took it out and i don't use it. They should of just sewn 1 flap in there and the wallet would of been much thinner and still able to use the extra flap.

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Reviewed in the United States on May 17, 2026

Verified Purchase

Kelly

Port Orchard, US

★★★★★ 5

Excellent and Beautiful Wallet

Style: Bi-fold

Very nice wallet with added protection! Clean look, smooth soft leather, but durable and sturdy. Highly recommend!

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Reviewed in the United States on March 22, 2026