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If you have a B9, we'd bet you have some dirt, grime, water, salt, or whatever else you drove through all collected in your engine bay thanks to the less-than-perfect three-piece plug that covers a hole in the metal.
The results are at best a mess in your engine bay and at worst, the precursor to a rust problem.
With the Engine Bay Block Off Plugs we designed here in-house, you can prevent this headache before it starts and add a sleek and attractive component to your engine bay at the same time.
ECS Engine Bay Block Off Plugs for your Audi B9 A4/S4 A5/S5

Audi B9 A4/S4 A5/S5
The results are at best a mess in your engine bay and at worst, the precursor to a rust problem.
With the Engine Bay Block Off Plugs we designed here in-house, you can prevent this headache before it starts and add a sleek and attractive component to your engine bay at the same time.
ECS Engine Bay Block Off Plugs for your Audi B9 A4/S4 A5/S5

Audi B9 A4/S4 A5/S5