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Unlock increased power, enhanced sound, and premium styling with the STILLEN Cat-Back Exhaust System for the 2013-2015 Nissan Altima 3.5L Sedan. Designed for seamless bolt-on installation, this system delivers a refined yet aggressive exhaust note, making it the perfect upgrade for enthusiasts who want performance without excessive cabin noise.
Key Features
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Complete Cat-Back Exhaust System
- Optimized for the 2013-2015 Nissan Altima 3.5L Sedan [L33].
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Premium Stainless Steel Construction
- Built for long-lasting durability and corrosion resistance.
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Polished Stainless Tips, End Pipes, and Mufflers
- Sleek, eye-catching finish that complements the Altima’s design.
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Mandrel-Bent Tubing
- Smooth, unrestricted airflow for maximum performance gains.
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Bolt-On Easy Installation
- No welding, cutting, or fabrication required.
- Utilizes factory hanger locations for a straightforward install.
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Limited Lifetime Warranty
- Confidence in STILLEN’s premium quality and craftsmanship.
Performance Benefits
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Increased Wheel Horsepower (WHP) & Torque
- Noticeable power gains across the RPM range, with a stronger top-end pull.
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Refined Exhaust Note
- Mild at idle and cruising for comfort.
- Deeper, aggressive tone under throttle for a sporty experience.
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Improved Fuel Efficiency
- Expect mileage gains during highway cruising due to optimized airflow.
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Enhanced Aesthetics
- Complements the factory exhaust cutout with a performance-inspired look.
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No Annoying Drone
- Engineered for a refined yet aggressive exhaust tone without excessive cabin noise.