2011-2024 Powerstroke Gen2.1 CP4 Bypass Kit w/ Return Filter Assembly (CP4-6.7F-BP-G2.1)-CP4 Bypass-S&S Diesel-Dirty Diesel Customs
2011-2024 Powerstroke Gen2.1 CP4 Bypass Kit w/ Return Filter Assembly (CP4-6.7F-BP-G2.1)-CP4 Bypass-S&S Diesel-Dirty Diesel Customs
2011-2024 Powerstroke Gen2.1 CP4 Bypass Kit w/ Return Filter Assembly (CP4-6.7F-BP-G2.1)-CP4 Bypass-S&S Diesel-CP4-6.7F-BP-G2.1-Dirty Diesel Customs
2011-2024 Powerstroke Gen2.1 CP4 Bypass Kit w/ Return Filter Assembly (CP4-6.7F-BP-G2.1)-CP4 Bypass-S&S Diesel-CP4-6.7F-BP-G2.1-RFA-Dirty Diesel Customs
2011-2024 Powerstroke Gen2.1 CP4 Bypass Kit w/ Return Filter Assembly (CP4-6.7F-BP-G2.1)-CP4 Bypass-S&S Diesel-CP4-6.7F-BP-G2.1-FHU-Dirty Diesel Customs