SPEEDWERX FAT DADDY SINGLE PIPE AND Y-PIPE // 2018-2023 ZR / RIOT / XF / M 8000 / 800 C-TEC2 // 0-5,000 FT.

Our Fat Daddy Single Pipe Kits are a must-have for maximum power and performance, and they're lighter than stock too!
9.8hp gain as tested at DynoTech Research!