SOLD AS IS - NO WARRANTY - ALL SALES FINAL BLOX Racing velocity stacks incorporate race proven intake technology into a product designed for daily driven vehicles. Velocity stacks are designed to optimize and maximize air flow rates entering the induction system. BLOX Racing velocity stacks are ideal for naturally aspirated and turbocharged applications. Match either with a high performance BLOX Racing air filter. BLOX Racing aluminum velocity stacks are CNC-machined out of high quality billet aluminum. Once they are machined, each is anodized in different show quality colors. Pair velocity stack with BLOX Racing high performance air filter. Various anodized colors and neck sizes available. Velocity Stack Specs CNC machined aluminum Outer diameter 6" Neck diameter options: 2.5", 3.0", 4.0" Colors: raw, silver, black, blue, gold, red, and purple
