Upgrade your Audi A4 B9's suspension with this pair of Monroe gas charged shock absorbers. These twin-tube shockers are made of high-quality steel and have an accurate fit to ensure maximum performance. The gas pressure technology keeps the ride smooth and stable, while the sealed design ensures longevity and durability. These shock absorbers are compatible with the rear left and right placement on your vehicle, and come with a 5-year manufacturer warranty. They are OE/OEM compatible with multiple part numbers, and are made in Poland. Improve your driving experience and ensure a safe, comfortable ride with these Monroe shock absorbers.