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This kit includes all of the o-rings
Ideal for those wanting full-time V8 operation without extra performance modifications
25" thick-walled Hi-Silicon ductile casting
Chevy and motor home applications that incorporate BD's exclusive alumibronze bushing
Engineered for a perfect fit over the factory 2021+ Duramax diesel exhaust pipe
2015.5-2016 Duramax LML 3" Turbo Downpipe (GM8428) 2019 - 2022 Dodge Air Intake & Accessories This kit includes all ofThe MBRP GM8428 3" Downpipe helps your 2015 2016 6. 6L LML breath by increasing the exhaust flow off your turbocharger. Removing the restrictions caused by your OEM downpipe the MBRP replacement will lower your EGTs and increase performance. The install process is as simple as it gets from the precision bending that you'd expect from an MBRP kit. 3" Turbo Downpipe Aluminized FITS 2011 2015 GMC Duramax 6. 6L LMM