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Upgrade the sound, performance, and style of your 2011-2013 Infiniti M56 or 2014-2018 Infiniti Q70 [V51] with the STILLEN Near Cat-Back Exhaust System. Expertly crafted with premium materials, this exhaust delivers a blend of luxury and performance, perfect for discerning drivers.
Key Features
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For 5.6L Engines Only
Specifically engineered for the 5.6L engine. For 3.7L models, see part #504437. -
304 Stainless Steel Construction
Built to last with corrosion-resistant T304 polished stainless steel for maximum durability and style. -
Polished Stainless Steel Components
Includes polished tips, end pipes, and mufflers for a sleek, high-quality finish that enhances the vehicle’s aesthetics. -
Mandrel-Bent Tubing
Ensures smooth exhaust flow, optimizing performance and reducing backpressure. -
Italian Granite Wool Wrapped Mufflers
Exclusive muffler design enhances durability and delivers refined sound levels. -
Mild to Aggressive Exhaust Note
- Quiet and refined at idle or cruising.
- Transforms into an aggressive tone under throttle, offering a thrilling auditory experience.
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Limited Lifetime Warranty
Guaranteed quality and peace of mind for the life of your vehicle.
Performance Benefits
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Increased Wheel Horsepower (WHP):
Enhanced power delivery for better acceleration and performance. -
Improved Torque:
Gain torque for added responsiveness and pulling power. -
Optimized Flow:
The near cat-back design improves exhaust efficiency, ensuring greater performance.
Specifications
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Compatibility:
- Fits 2011-2013 Infiniti M56.
- Fits 2014-2018 Infiniti Q70 (V51 models).
- Not compatible with Q70L models.
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Exhaust Design:
Near Cat-Back system designed for maximum flow and efficiency. -
Construction:
- T304 stainless steel for durability and corrosion resistance.
Driving Experience
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Quiet Cabin Feel:
Maintains a luxurious and quiet interior while enhancing exterior sound. -
Aggressive Look:
Complements the factory exhaust cutouts with polished quad tips for a sporty and refined appearance. -
Drone-Free Engineering:
Meticulously developed to eliminate annoying exhaust drone, ensuring a comfortable driving experience.