The K&N 67-3109 cat-back exhaust kit is engineered to increase performance, deliver robust sound, and install quickly and easily on certain GM Sierra models.
The K&N 67-3109 cat-back exhaust kit is engineered to increase performance, deliver robust sound, and install quickly and easily on certain GM Sierra models. Enjoy excellent quality paired with a simple and clean appearance. The 67-3109 system maintains clearance to critical systems, and typically installs in less than 60 minutes using factory mounting points (no cutting or welding necessary). The system pairs with most aftermarket modifications, including intake systems, throttle control modules, and more. No calibration tuning is required, and complete instructions are included.
- Engineered to increase horsepower and torque
Application Summary:
| Year |
Make/Model |
| 2019-2024 |
Chevrolet Silverado 1500 |
| 2019-2021 |
GMC Sierra |
| 2023-2024 |
GMC Sierra |
| 2019-2024 |
GMC Sierra 1500 |
| Attributes |
| Alternate Part Number |
67-3109 |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Country of Origin (Primary) |
US |
| Emission Code |
Legal US |
| Estimated Horsepower Gain |
10.95 HP @ 4852 RPM |
| Exhaust Component Mount Type |
Uses Factory Hangers |
| Exhaust Pipe Wall Maximum Gauge |
16 |
| Exhaust System Type |
Cat-Back |
| Finish |
None |
| GTIN |
00024844383594 |
| Harmonized Tariff Code (Schedule B) |
8708925000 |
| Hazardous Material Code |
N |
| Horse Power Increase |
11 HP |
| Item Type |
High Performance |
| Life Cycle Status Code |
Available to Order |
| Material Used |
Stainless Steel |
| Muffler Material |
304SS |
| Package Material |
Corrugated |
| Package Type |
Box |
| Product Style |
K&N Exhaust Kit |
| RPM |
4852 |
| SDR Required Flag |
N |
| Warranty |
1 Year Limited |
| Weight |
48 lb (21.8 kg) |
