3" Stainless Steel Downpipe for your 2015.5-2016 GM 6.6L Duramax LML 
 
Replace the restrictive crushed factory down pipe on your 2015.5-2016 LML Duramax with this full 3" Stainless steel down pipe. For use with factory turbo or factory style drop in turbo on trucks with the 3 bolt flange exhaust connection.