Category: Product Alert

5” Monster Exhaust for 2020–2021 Chevy/GMC 6.6L Duramax

Upgrade Your 2020-2021 GM Duramax L5P with the Banks Monster Exhaust System

Unlock more power, increased fuel economy, and protect your trailer from heat damage with the Banks Monster Exhaust System. This DPF-back exhaust system boasts a massive 5″ diameter for significantly improved flow over the restrictive stock exhaust. The Monster Exhaust delivers 85% less backpressure and a 15% reduction in exhaust temperature, resulting in more power and better fuel economy. Plus, its innovative design protects your trailer from scorching exhaust heat during regeneration, a common problem with stock Duramax exhaust. Choose from two exhaust tip options and enjoy a powerful, fuel-efficient upgrade for your GM Duramax L5P.

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