Here’s a nice power increase that’s easy to install! Zipper’s USA-Made Premium Air Cleaner Kits feature internal-breather backing plates CNC-machined from solid billet for strength, performance and beauty. The included cleanable/oilable, pleated gauze element is available in standard 2-1/4″ width or Zipper’s 5/8″ wider MaxFlow unit to really let that engine breathe! Available with satin billet, texture black or chrome plated breather ports. Bolt it on and feel the difference!