2017-19 Chevy/GMC 2500/3500 6.6L Duramax L5P SS-Monster Exhaust System Fits_1999-2014`GMC`Yukon~1999-2014`GMC`Yukon XL When running a leveling kit

When running a leveling kit or lift

and the U bolt nuts moved to the top of the leaf spring

eliminating aeration and maintaining consistent damping

or aggressive acceleration

these bars are built for enthusiasts who demand performance

2017-19 Chevy/GMC 2500/3500 6.6L Duramax L5P SS-Monster Exhaust System Fits_1999-2014`GMC`Yukon~1999-2014`GMC`Yukon XL When running a leveling kit2017 19 Chevy GMC 2500 3500 6. 6L Duramax L5P SS Monster Exhaust System The Banks Monster Exhaust system enhances flow, performance, and tone for your 2017 19 Chevy GMC 2500 3500 6. 6L Duramax. Built from mandrel bent stainless steel, it reduces backpressure, improves turbo spool, and delivers an aggressive, no drone sound. With OE style fitment and a bolt on design, the Monster Exhaust is engineered to outlast and outperform the stock system. Ideal