L5P Duramax 5" Full Exhaust System for 2017-2023 Silverado/Sierra HD - Downpipe Back Race Pipe | 304 Stainless Steel | Off-Road Only
Brand New
Maximize your L5P Duramax's performance with this premium 5" stainless steel exhaust system. Manufactured from durable T409 stainless steel with 1.5mm thick construction, it delivers superior durability and flow characteristics. The 5" mandrel-bent design optimizes exhaust flow and reduces backpressure for improved performance and efficiency.
| Specification | Detail |
| Construction | T409 Stainless Steel with 1.5mm thick construction |
| Pipe Diameter | 5" diameter |
| System Type | Complete DPF & CAT Delete |
| Installation | Direct bolt-on using OE-style hangers |
| Performance Benefits | Improves throttle response, lowers EGTs, and increases efficiency |
| Quality | Exceeds OEM standards |
| Note | Requires ECU tuning. For off-road/competition use only. |
Fitment:
| Vehicle Model | Years | Engine |
|---|---|---|
| Chevrolet Silverado 2500HD | 2017-2023 | 6.6L L5P Duramax |
| Chevrolet Silverado 3500HD | 2017-2023 | 6.6L L5P Duramax |
| GMC Sierra 2500HD | 2017-2023 | 6.6L L5P Duramax |
| GMC Sierra 3500HD | 2017-2023 | 6.6L L5P Duramax |
SHIPPING & DELIVERY
Fast Processing & Reliable Transit
- Processing: Orders are processed and shipped from the nearest warehouse within 24 hours.
- Delivery: Estimated delivery time is approximately 4 to 5 business days.
RETURNS & EXCHANGES
30-Day Hassle-Free Policy
- Return Window: We offer a 30-day return policy from the date of delivery.
- Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.
WARRANTY
2-Year Limited Replacement Warranty
- Duration: All products are backed by a 2-year limited warranty.
- Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).
CUSTOMER SUPPORT
We’re Here to Help – Contact Us First
- Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
- Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
- Email Support: You can reach us at support@SAMEXHAUST.com.
Attention
Products on this site are for off-road/racing use only and are not legal for public roads where emissions laws apply.
Professional installation recommended. Removing emissions equipment (DPF, CAT, SCR, DOC) requires deleting related sensors and a compatible tuner to avoid engine codes.
Performance gains may vary—no guarantees.
