N1-X Evolution Extreme Catback Exhaust - 2022+ Honda Civic Si [FE1] / 2023+ Acura Integra [DE4] - 164KH003
APEXi N1 Evolution-X Exhaust for Acura Integra (DE4) 2023+ with Titanium Tip - 164KH003
Elevate your driving experience with the APEXi N1 Evolution-X Exhaust, designed specifically for the Acura Integra (DE4) 2023+. This high-performance exhaust system is engineered to enhance your vehicle's power, sound, and style, making every drive a thrilling adventure.
- Enhanced Performance: Experience a noticeable boost in horsepower and torque, thanks to the optimized flow dynamics of the N1 Evolution-X Exhaust. This system is crafted to maximize your engine's potential, delivering a more responsive and exhilarating ride.
- Distinctive Sound: Enjoy a deep, aggressive exhaust note that sets your Integra apart from the crowd. The N1 Evolution-X produces a refined yet powerful sound that enhances your driving experience without overwhelming cabin noise.
- Premium Titanium Tip: The exhaust features a stunning titanium tip that not only adds a touch of elegance but also offers superior durability and resistance to corrosion. This eye-catching detail ensures your vehicle looks as good as it performs.
- Precision Engineering: Constructed with high-quality materials and expert craftsmanship, the APEXi N1 Evolution-X Exhaust is built to last. Its precision fit ensures easy installation and seamless integration with your Acura Integra.
- Improved Fuel Efficiency: By optimizing exhaust flow, this system can contribute to better fuel efficiency, allowing you to enjoy longer drives with fewer stops at the pump.
Transform your Acura Integra (DE4) 2023+ into a performance powerhouse with the APEXi N1 Evolution-X Exhaust. Whether you're cruising the streets or hitting the track, this exhaust system delivers the perfect blend of power, sound, and style.

The N1 Evolution Extreme is based on the proven performance basics of the N1 muffler which emphasizes optimum, exhaust efficiency utilizing a straight-thru layout design. Equipped with an internal hybrid silencer uniting power and free flowing characteristics with effective functional sound resonance. A newly adopted muffler tip completes the tail end of the exhaust that serves both purposes of function and form. Constructed with a light weight titanium material rolled and riveted onto a double pipe structure which acts as a diffuser enabling temperature reduction, meanwhile retaining a sporty heat gradation appearance.
PRODUCT FEATURES:
- N1-X titanium tips specially designed with clearance to reduce heat transfer
- Top Level quality using full tig-welded SUS304 stainless steel
- Matched and manufactured for select chassis
- A'PEXi intricate designed brackets
- Resonated midpipe structure
- Comfort with optimal performance gains
* Does Not Fit : Honda Civic Hatchback Models (2022+)
Bolt-On | Yes |
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Part Number | 164KH003 |
Year | 2022+, 2023+ |
Make | Honda, Acura |
Model |
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Body Style |
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Engine | L15BA (Turbo) |
Chassis |
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Exhaust Type | N1 Evolution Extreme Muffler (N1-X) |
Piping Diameter | 3inch to 2.5inch |
Tip Diameter | 105mm. x 2 |
Pieces | 3 |
Exhaust Tip Style | Titanium Round- Dual wall rolled, Angle cut (Riveted) |
Piping Material | SUS304 Stainless Steel |
Muffler Material | SUS304 Stainless Steel |
Muffler Tip Material | Titanium |
![]() | WARNING: California Prop 65 Cancer & Reproductive Harm www.p65warnings.ca.gov |
Brand | APEXi |
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