Skunk2 Composite 3.5in Velocity Stack with Mount - 343-99-0510 fits_2003-2008`Audi`S4 Features M22 x 1

Features M22 x 1

purposeful exterior upgrade with no installation ambiguity

5 lbs compared to the stock exhaust

Size: 21×10×4cm

Crafted from genuine Twill-Weave (2X2) Pre-Preg Carbon Fiber using our advanced autoclave technology this 4-piece lip splitter set features multiple layers of high-gloss UV-resistant clear coatings

Skunk2 Composite 3.5in Velocity Stack with Mount - 343-99-0510 fits_2003-2008`Audi`S4 Features M22 x 1The Skunk2 Composite Velocity Stack utilizes race proven technology and is engineered to optimize air flow while maximizing velocity for your induction system. Injection molded from 30% Glass Filled Nylon 6 imparts high impact strength with low thermal conductivity to significantly reduce heat soak and air intake temperatures. The design also incorporates dimples on the entry surface to extend the boundary layer into the mouth. This increases the