2013-2018 Cummins 6.7L P1 4" Turbo Back Race Exhaust - No Muffler (C6145SLM)2013 2018 Cummins 6. 7L P1 4" Turbo Back Race Exhaust No Muffler (C6145SLM) Maximize performance in your race built 2013 2018 Cummins 6. 7L with the P1 Performance Products C6145SLM 4" SLM Series Turbo Back Competition Exhaust. The SLM Series is built from T409 stainless steel that offers unbeatable durability. The P1 Performance Products SLM Series is built for those that don't want to compromise on their exhaust system.

Competition & Break-In: Use every oil change in race applications or at least during break-in for daily drivers

Great to use for remote starters

and better performance

Intended for high performance use and light towing with modified turbos

Optimized for Large Lobe Lift: reduced mass for precise valve control with aggressive cam profiles

or optionally works with any K-Type EGT probe for temperature-based shutdown

Easily replace your filter when you change your transmission fluid in your 8HP70 Transmission

Enough fuel to support 975 RWHP

Sold as a balanced and matched Set

6L Duramax

1998-2020 Gen III / Gen IV / Gen V Katech C5-R Timing Chain (KAT-7636)

53 LPM Nozzle Flow