Skip to product information
Dirty Diesel Customs
2013-2018 Cummins 4" Downpipe Back Exhaust System w/Muffler (DDC-4D13M)
$790.00 CAD
Performance part for diesel trucks. Please confirm compatibility before purchasing.
Description
Description
Fits
| Year | Make | Model |
| 2013-2018 | Dodge |
Ram 2500/3500 w/6.7L Cummins |
This high-flow 4" exhaust kit features 16-gauge mandrel-bent T409 stainless steel and a high-flow muffler for optimal diesel performance. Complete with clamps, pre-welded contour hangers, and reinforced flanges, installation is fast and hassle-free. Designed for 6.7L engines, it boosts torque, throttle response, fuel efficiency, and exhaust flow while lowering EGTs for reliable power and sound.
Part Number: DDC-4D13M
Features
- 4" Downpipe-Back System
- T409 Stainless Steel Construction
- Factory-Style Flanged Connection
- Includes High-Flow Muffler
- Direct-Fit, Easy Installation
- Pre-Bent, Pre-Welded Hangers
- Precision Machined Turbo Flange
- No Exhaust Tip Included
- Reduces EGTs for Performance
Notes
- This system will NOT fit on a 2500 Series with air-ride!
- Requires (3) M10x1.5 40mm long bolts and (3) M10x1.5 flanged nuts. THESE ARE NOT INCLUDED.
- Ram 2500 uses coil springs, Ram 3500 uses leaf springs.
Compatible trucks
Shipping info
Please refer to our Shipping policy. As a general rule, we ship out all orders in 24-72 hours using services like Purolator and other, and always provide you with a tracking number.
Disclaimer & warranty
Please refer to our Disclaimer and Warranty pages.
Planning a larger purchase? Feel free to reach out to discuss a possible discount.
If you have any questions or need help with your order, you’re always welcome to contact us directly.
Recommended products
Grand opening giveaway is ON 🔥
$1000 CAD and an S&B intake up for grabs! Be one of the first 10 to spend $1,000 CAD in a single order and you’re entered to win $1,000 back. For all orders: leave us a review by March 31 for a shot at an S&B intake. Intake draw happens April 14.
You may also like...
Diesel tuning services for your truck
From custom tuning to in-shop and mobile installs, every service is handled personally to make your truck run better and more reliably.