94011603 AC Delco Lower Coolant Bypass Tube O-Ring Kit - GMC/Chevy 6.6L Duramax 2004-2016

2011-2014 GMC/Chevy 6.6L Duramax (SEE NOTES) - This is a replacement dry/disposable air filter element used in S&B Cold Air Intake systems. This filter is used on the original design of S&B's Cold Air Intake for LML's which is now discontinued.

Mel's Manufacturing 4" Aluminized Steel Down Pipe Back Exhaust for your 2011 - 2015 GM 6.6L Duramax LML - No Muffler / No Tip. SEE IMPORTANT FITMENT NOTES

This dual wall MBRP exhaust tip fits 4" exhaust systems - it has a 4" inlet, 6" outlet, and is 12" long with an angled, double wall, polished stainless finish. No welding required.