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The STILLEN Cat-Back Exhaust System is the ultimate upgrade for your 2009-2019 Nissan 370Z. Engineered to deliver exceptional horsepower, torque gains, and an aggressive exhaust note, this system is designed for both performance enthusiasts and daily drivers who demand the best from their vehicles.
Key Features
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304 Stainless Steel Construction:
Built to last, this premium stainless steel material ensures durability and resistance to corrosion for long-term performance. -
Polished 4.5" Dual Wall Tips:
Available in Stainless Steel (504355), Burnt Tips (504356), and Carbon Fiber Tips (504354), these stylish exhaust tips provide a bold, custom look that complements the factory exhaust cutouts. -
Mandrel-Bent Tubing:
Ensures smooth airflow and reduces backpressure for maximum efficiency. -
Aggressive Exhaust Tone:
- Delivers a deep, sporty sound under throttle.
- No annoying drone during idle or cruising for a comfortable driving experience.
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Complete Cat-Back System:
Includes a mandrel-bent Y-pipe and mid-pipe, replacing the factory exhaust system entirely. -
Limited Lifetime Warranty:
Peace of mind knowing your exhaust system is backed by STILLEN’s industry-leading warranty.
Performance Benefits
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18 WHP Increase (Horsepower to the Wheels):
- Generates more power than competing exhaust systems, maximizing the potential of your 370Z.
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15 lb-ft Torque Gain:
- Enhanced torque for improved throttle response and acceleration.
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Improved Exhaust Scavenging:
- The dual exhaust design optimizes exhaust flow, reducing backpressure and increasing engine efficiency.
Easy Bolt-On Installation
This system is designed for straightforward, bolt-on installation, requiring no welding or significant modifications. It’s compatible with both the base Nissan 370Z and NISMO models.
Available Tip Finishes
- Stainless Steel (504355): Timeless polished finish for a classic, clean look.
- Burnt Tips (504356): A stylish, blue gradient finish for a unique appearance.
- Carbon Fiber (504354): Lightweight and modern for a premium touch.
Why Choose STILLEN?
With over 35 years of expertise, STILLEN is a trusted leader in performance parts for Nissan and Infiniti vehicles. Their close relationship with Nissan, including collaborations like the NISMO GT-R N Attack, ensures their products are engineered to the highest standards.
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Proven Results:
STILLEN exhaust systems are tested to deliver the best possible performance for your vehicle. -
Heritage:
Founded by legendary driver Steve Millen, STILLEN brings championship-winning expertise to every product they design.
Specifications
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Vehicle Compatibility:
- 2009-2019 Nissan 370Z (Base, Touring, and NISMO models).
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Construction:
304 stainless steel with polished 4.5" dual wall tips. -
Performance Gains:
- +18 WHP*
- +15 lb-ft Torque*
(*Results may vary depending on vehicle setup and conditions.)
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Warranty:
Backed by a Limited Lifetime Warranty for long-lasting confidence.