Power Stop 09-11 Audi A4 Front Evolution Drilled & Slotted Rotors - Pair Outdoor Car Cover The end tanks are constructed

The end tanks are constructed of 3/16" 5052 aluminum and TIG-Welded for superior strength and durability

transverse mufflers are to used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque

567 Thickness

Finishing off this exhaust system is a 4-1/2" diameter polished 304 stainless steel clamp-on exhaust tip

Aluminum and Nylon vacuum fitting are included for a perfect fit and finish

Power Stop 09-11 Audi A4 Front Evolution Drilled & Slotted Rotors - Pair Outdoor Car Cover The end tanks are constructedPower Stop drilled and slotted rotors provide a bolt on upgrade for improved brake cooling and performance. Precision cross drilled for maximum cooling and maximum performance during extreme conditions; rounded slots sweep away gasses, dust, and moisture to keep a clean friction contact patch on the rotor surface. Silver zinc dichromate plating resists rust and corrosion. With a direct OE fit, there are no special modifications needed. EVOLUTION