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
Features
- Engineered to increase horsepower and torque
- Custom-designed for a more aggressive sound
- Composed of CNC mandrel-bent tubing / 304 stainless steel
- Engineered using advanced computer-aided design software
- Can typically be installed in under 60 minutes
- Bolt-on using factory mounting points - no cutting or welding
- Pairs with most aftermarket modifications, including intake systems, pedal controllers, and more
Specifications
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Warranty: 1 Year Limited
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Estimated Horsepower Gain: 10.95 HP @ 4852 RPM
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Exhaust Pipe Wall Maximum Gauge: 16
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Muffler Material: 304SS
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Weight: 48 lb (21.8 kg)
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Exhaust System Type: Cat-Back
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Material Used: Stainless Steel
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Exhaust Component Mount Type: Uses Factory Hangers
