Audi S4 Gains Over 100 HP from Just a Downpipe & Tune!?!

Can you really gain over 100 horsepower on an Audi S4 with just a downpipe and a tune? In this episode, we put that claim to the test! After a baseline dyno run at 325 HP, we install a high-performance downpipe and perform a custom tune to unlock some seriously impressive numbers.

Before we dive into the S4 upgrades, Dale updates us on the shop and shares progress on the WIKD drag build—big things are happening! If you’re a fan of Audi performance mods or curious about the power potential of simple upgrades, this is a must-watch.

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00:00 Introduction
00:45 Dale does shop updates
03:56 Matt and Dale talk HP
07:05 Audi S4 upgrades and Tune
09:41 Downpipe sounds
11:24 Final numbers