Flowmaster Outlaw II Collector Muffler Style Upgrades and Parts with a safe and easy

with a safe and easy method that takes no-time flat

Part Number: 247-5406

Avoid a costly failure down the road and convert your CP4 to a CP3 on the 2011-2016 LML Duramax platform

Improves CP4 output past 3

Our technicians have been factory trained and have many years of experience

Flowmaster Outlaw II Collector Muffler Style Upgrades and Parts with a safe and easyFlowmaster's Scavenger Series Outlaw II Collector mufflers are designed to attach directly to the exhaust header primary tubes of race headers. These race mufflers are compact and are ideal for applications where minimal sound reduction is required, but a muffler rule is in effect. These mufflers are sold individually and are constructed of 409S Stainless Steel.