4"/5" Downpipe-Back Exhaust 2011-2015 LML 6.6 Duramax DPF Delete Race Pipe | SPELAB Style:4'' Dp-Back（Free Exhaust Tips） SPELAB’s 6061 aircraft-grade aluminum coolant

SPELAB’s 6061 aircraft-grade aluminum coolant reservoir is TIG-welded and pressure-tested to deliver unmatched durability and leak resistance

Always check the compatibility with your specific vehicle model before purchasing

This modification also delivers long-term savings by eliminating expensive EGR component repairs and decreasing carbon deposit-related maintenance

7 Dodge Ram 6

6L Duramax L5P DP-Back must be used together with our downpipe

4"/5" Downpipe-Back Exhaust 2011-2015 LML 6.6 Duramax DPF Delete Race Pipe | SPELAB Style:4'' Dp-Back（Free Exhaust Tips） SPELAB’s 6061 aircraft-grade aluminum coolanttab Description Unlock your 2011 2015 LML Cummins's true potential with this high performance DPF delete pipe. Our precision engineered solution eliminates restrictive factory filters, dramatically reducing exhaust gas temperatures (EGTs) while improving turbo spool up and throttle response. The mandrel bent construction ensures maximum flow efficiency, helping your diesel breathe easier. Perfect for off road enthusiasts seeking better power delivery