GM Duramax LM2 - Cat & DPF Race Pipe (2020-2022)
Boost airflow, cut exhaust temps, and unleash a deeper sound for your Duramax LM2.
Upgrade your 2020–2022 Silverado 1500 or Sierra 1500 LM2 diesel truck with Mel’s 3" Aluminized Exhaust System. This Cat & DPF Race Pipe is designed to deliver stronger performance, improved efficiency, and an aggressive exhaust note—all while maintaining durability and seamless fitment.
Vehicle Fitment
✅ 2020 Chevrolet Silverado 1500 LM2 3.0L Duramax Diesel
✅ 2021 Chevrolet Silverado 1500 LM2 3.0L Duramax Diesel
✅ 2022 Chevrolet Silverado 1500 LM2 3.0L Duramax Diesel
✅ 2020 GMC Sierra 1500 LM2 3.0L Duramax Diesel
✅ 2021 GMC Sierra 1500 LM2 3.0L Duramax Diesel
✅ 2022 GMC Sierra 1500 LM2 3.0L Duramax Diesel
Specifications
| Feature | Details |
|---|---|
| Pipe Diameter | 3 inches |
| Material | 16-gauge aluminized steel |
| Clamps | TorcTite® lap joint style |
| Design | Direct OEM fit, reuses stock muffler |
| Installation | Bolt-on, precision-machined flanges |
| Tuning Required | Yes – Race tuning software |
What’s Included
- 3" aluminized steel Cat & DPF Race Pipe
- TorcTite® lap joint style clamps
- Precision-machined flanges
Key Features
- Built from 16-gauge aluminized steel for long-lasting durability
- TorcTite® clamps provide a secure, leak-free connection
- Precision-machined flanges ensure an easy, direct fit
- Direct OEM replacement while reusing the stock muffler
- Improves airflow, reduces EGTs, and delivers an aggressive sound
Benefits
- Enhanced horsepower and torque response
- Lower exhaust gas temperatures for improved efficiency
- Seamless integration with your existing system
- Bold, throaty exhaust tone
Important Notes:
Hurry Up! Only 0 items left in stock!
Copy link:
Share:
Ask a question
Shipping
We strive to provide fast and reliable shipping options for all our customers. For detailed information about our shipping rates, delivery times, and policies, please visit our Shipping Page.
Return Policies
Your satisfaction is important to us. If you wish to return an item or request a refund, please review the terms and conditions outlined in our Returns Policy.
Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
