2015-2016 Downpipe Back 6.6L GM Duramax 2500 3500 LML Race Exhaust 5” or 4” SS409 with Tip Muffler:No

2015-2016 Downpipe Back 6.6L GM Duramax 2500 3500 LML Race Exhaust 5” or 4” SS409 with Tip Muffler:No4 5 Downpipe Back DPF & CAT Delete Race Exhaust System For 2015. 52016 GM Duramax LML 2500 3500 Unlock True Diesel Performance Take Your LML to the Next Level Give your 2015. 52016 GM Duramax LML 6. 6L the performance upgrade it deserves. This downpipe back race exhaust system is engineered to maximize airflow, boost horsepower & torque, improve fuel economy, and unleash an aggressive diesel sound that turns heads everywhere you go. Whats Inside the

Cloud-based tuning with GDP preloaded delete tunes

Performance & Fuel Mileage:

✅ Why This Kit

and serious power gains

Reuse of the factory turbo band clamp

Take your Duramax 6

Unlike cheap kits from unknown brands

Lower EGTs – optimized flow keeps your Duramax cooler under load

aggressive look

7L to the next level with a downpipe-back DPF & CAT delete exhaust system engineered for performance

Sound & Efficiency

efficiency