Kooks 3in stainless steel catted Y-pipe is made for 2007–2018 Jeep Wrangler JK 4‑door conversions using an LS engine swap and must be paired with Kooks headers. Built from T304 stainless and handcrafted in the USA, this Y-pipe is specified for use with RPM Extreme or Motech LS swap kits and supports the exhaust routing required by those LS swap installations.
Kooks 2007+ Jeep Wrangler JK w/LS Swap 3in Catted SS Y-Pipe Kooks Headers Required