ECS Tuning Engine Bay Block Off Plugs - Set - Audi B9 2017 034Motorsport engineers identified a serious

034Motorsport engineers identified a serious bottleneck in the factory intake system

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ECS Tuning Engine Bay Block Off Plugs - Set - Audi B9 2017 034Motorsport engineers identified a seriousFrom the factory, the B9 Audi comes with plastic 3 pronged caps to plug the holes in both wheel wells. Unfortunately when driving in wet, dirty, or snowy conditions, these unsealed gaps allow all of that mess to sling off of your tires, directly onto the cap and into the engine bay. This results in not only a messy look but allows corrosive salt to enter the engine compartment. Check out our before and after photos for a side by side comparison, or