Mazda MX5/Miata NB 1.6/1.8 Dolphin/Turndown Exit Catback Exhaust
Mazda MX5/Miata NB 1.6/1.8 Dolphin/Turndown Exit Catback Exhaust
Mazda MX5/Miata NB 1.6/1.8 Dolphin/Turndown Exit Catback Exhaust
Developed for 98–05 Mazda MX5 / Miata Mk2/Mk2.5 (NB/NBFL) with the 1.6/1.8 engine (B6/BP), this cat-back exhaust system follows the factory mounting points and rear-body clearances while giving the car a more purposeful finish.
The system uses 2.5-inch stainless steel pipework with TIG-welded joints, creating a consistent flow path and a strong foundation for standard or modified builds.
Key features
- Vehicle-specific fitment: Mazda MX5 / Miata Mk2/Mk2.5 (NB/NBFL) — 98-05
- Freer-flowing rear exhaust layout with application-specific connections
- 2.5″ pipework · Stainless Steel construction · TIG-welded joints
- Fitting kit included
- 3.5″ / 89mm Dolphin tailpipe
Sound and character
Expect a deeper, more purposeful exhaust note, with final volume shaped by the engine and the remaining exhaust configuration.
Design features
Finished with 3.5″ / 89mm Dolphin tailpipes. The downturn dolphin outlet gives the rear section a compact, track-inspired finish.
Fitment notes
Fits 98–05 Mazda MX5 / Miata Mk2/Mk2.5 (NB/NBFL) with the 1.6/1.8 engine (B6/BP).
What’s in the box?
- 1 × Cat-Back Exhaust System
- 1 × Fitting Kit
Technical specifications
- Product type: Catback
- Tube diameter: 2.5″
- Material: Stainless Steel
Vehicle compatibility
- Manufacturer: Mazda
- Model: MX5 / Miata Mk2/Mk2.5
- Chassis code: NB/NBFL
- Production years: 98-05
- Engine: 1.6/1.8
- Engine code(s): B6/BP
Mazda MX-5 Mk2 and Mk2.5: Built Around the Roadster
The second-generation Mazda MX-5 combines low weight, compact dimensions and a simple rear-wheel-drive layout. A well-matched exhaust can add a deeper, more distinctive tone while preserving the responsive character that makes these cars so enjoyable to drive.
Although the Mk2 and Mk2.5 share the same basic platform, the catalytic converter is positioned differently. On Mk2 models it is located in the centre pipe, while Mk2.5 models position it between the manifold and centre pipe. Confirm the NB or NBFL chassis reference, engine size and product-specific fitment notes before ordering.
More Mazda MX-5 Mk2/Mk2.5 Exhaust Parts
| Weight | 7.4 kg |
|---|---|
| Dimensions | 23 × 108 × 51 cm |
| Part | Catback |
| Steering Side | Right Hand Drive or Left Hand Drive |
| Fitting Kit Included? | Yes |
| Important Notes | The dolphin style turndown exhaust is synonymous with the RX7 but also looks great on an MX5. On the Mk2 the cat is in the centre pipe and so this will be a catback but on the Mk2.5 the cat is between the manifold and the centre pipe and so this system will then be a centre pipe back. |
| Production Years | 98-05 |
| Welding Type | TIG |
| Tube Diameter | 2.5" |
| Manufacturer | Mazda |
| Model | MX5 / Miata Mk2/Mk2.5 |
| Chassis Code | NB/NBFL |
| Part Number | MAL-438 |
| EU Approved | No |
| Engine Size | 1.6/1.8 |
| Engine Code | B6/BP |
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