Collection: DIESELR Exhausts

DIESELR Exhaust Systems – Built for Performance, Strength, and Real Power

Factory exhaust systems hold your truck back. DIESELR’s performance exhausts are designed to increase airflow, reduce backpressure, and lower EGTs, giving your Cummins, Duramax, or Powerstroke the power and efficiency it needs. Whether you need a turbo-back, downpipe-back, or high-flow system, these exhausts are built for serious diesel owners.

✔ Mandrel-bent stainless steel for maximum durability
✔ Direct-fit turbo-back & downpipe-back options
✔ Built for 5.9L & 6.7L Cummins, all Duramax engines, and 6.0L, 6.4L, 6.7L Powerstroke

Turbo-Back & Downpipe-Back Exhaust Kits

Factory restrictions choke performance. These exhaust systems improve airflow and efficiency.

• Lower EGTs for better towing and engine longevity
• Better turbo response with reduced backpressure
• Available for Cummins, Duramax, and Powerstroke models

High-Flow Downpipes & Manifolds

Optimize exhaust flow at the source with high-flow downpipes and manifolds.

• Reduces restrictions for better turbo efficiency
• Stronger construction for long-term durability
• Direct-fit for all major diesel platforms

Performance Mufflers & Straight Pipes

Dial in the right exhaust tone and flow with high-flow mufflers and straight pipes.

• Straight-through designs for improved velocity
• Options for deeper tone or quieter cabin sound
• Designed for 6.7L Cummins, L5P Duramax, and 6.7L Powerstroke