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SKU: S4452AL / UPC: 882963135711
MBRP 2.5-Inch Axle-Back Exhaust System for 2016-2025 Mazda MX-5 Miata Single Rear Exit in Aluminized Steel
If you're searching for the MBRP axle-back exhaust for your 2016-2025 Mazda MX-5 Miata, this is the direct bolt-on solution designed specifically for the ND-generation Miata's 2.0L gasoline engine. As the official MBRP system delivers a race-inspired sound profile that amplifies the Miata's naturally responsive character, providing noticeable improvements in exhaust flow and throttle response over stock setups. Dyno-tested on MBRP's in-house Mustang 1100 AWD-SE chassis dynamometer, it has been refined through extensive road and track validation to ensure reliable gains in horsepower and torque while reducing backpressure for better overall engine efficiency.
This MBRP S4452AL stands out among aftermarket options for Mazda MX-5 Miata owners because it combines durable construction with precise engineering that outperforms generic or less specialized exhausts. Unlike basic muffler replacements that may compromise fit or sound quality, this system uses mandrel-bent tubing to maintain smooth airflow, resisting restrictions that can limit power in competitors' designs.
For 2016-2025 Mazda MX-5 Miata models, including both soft-top and RF hardtop variants with the 2.0L engine, this exhaust provides a straightforward installation that bolts directly to the factory axle, eliminating the need for cutting or welding. It's the clear pick for Miata drivers seeking a balance of enhanced acoustics, improved flow, and long-term durability that exceeds what other axle-back systems offer in this category.
Key Specifications and Fitment Details
- Part Number: S4452AL
- UPC: 882963135711
- Series: Armor Lite (Installer Series)
- Material: 16-gauge heavy-duty aluminized steel tubing for corrosion resistance and impact protection against road debris
- Tubing Diameter: 2.5 inches
- Profile: Race (aggressive exhaust note with high flow for power gains)
- Exit Configuration: Single rear exit
- Type: Axle-back (replaces the section from the rear axle back, compatible with stock catalytic converter and mid-pipe)
- Finish: Includes a polished stainless steel tip for a clean, factory-like appearance
- Warranty: 3-year limited warranty against manufacturing defects
- Fuel Type Compatibility: Gasoline (optimized for 2.0L engines)
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Vehicle Fitment:
- Year: 2016-2025
- Make: Mazda
- Model: MX-5 Miata (ND generation, all trims including Sport, Club, Grand Touring, and RF variants)
- Engine: 2.0L inline-4 (SKYACTIV-G)
- Drive Type: Rear-wheel drive (RWD)
Notes: Direct fit for U.S.-spec models; confirm local emissions compliance for international variants. Not compatible with earlier NA/NB/NC generations.
This system is engineered for the Mazda MX-5 Miata's lightweight chassis, ensuring no interference with suspension, trunk space, or ground clearance. Installation typically takes 30-60 minutes with basic tools, using provided clamps and hangers no fabrication required.
What's Included in the Purchase
The MBRP S4452AL kit comes complete as a fully assembled axle-back system, ready for installation. Here's a breakdown of all components:
- Muffler: One high-flow race-profile muffler, constructed from aluminized steel for optimal sound tuning and exhaust scavenging.
- Piping: Mandrel-bent 2.5-inch aluminized steel tubes (over-axle and rear sections), precision-formed to match the Miata's underbody contours for seamless integration.
- Exhaust Tip: One stainless steel single-wall tip, rolled edge design, 3.5-inch inlet/4-inch outlet for a flared look.
- Hardware Kit: Stainless steel band clamps (2-3 pieces), hangers, and bolts for secure attachment to factory components.
- Installation Instructions: Detailed step-by-step manual with diagrams, torque specifications, and safety notes.
- No Additional Parts Needed: Everything bolts on using existing factory mounting points; no gaskets or adapters required.
Part Weight and Shipping Information
- Product Weight: Approximately 18 lbs (8.2 kg), based on similar MBRP Armor Lite axle-back systems for compact cars (lightweight design contributes to the Miata's agile handling without adding unnecessary mass).
- Shipping Box Dimensions: 48 inches (L) x 12 inches (W) x 12 inches (H) – compact packaging for easy handling and cost-effective transport.
- Shipping Weight: Around 22 lbs (10 kg) including packaging materials.
For Mazda MX-5 Miata owners upgrading from 2016-2025 models, the MBRP S4452AL axle-back exhaust in aluminized steel provides the performance edge and sound refinement that sets it apart, backed by proven dyno results and real-user feedback. Order the S4452AL today to experience the difference in your Miata's exhaust note and power delivery.
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