K&N Engineering
K&N GM 1500 5.3L Crewcab Cat Back Exhaust Kit
SKU: K001 67-3109
Description
Part #: 67-3109
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 30 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.
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.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | K&N Engineering |
| Part Number | K001 67-3109 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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