Mazda MX5/Miata Mk2.5 1.8 Unequal Length Sports Cat Exhaust Manifold, 01-05
Mazda MX5/Miata Mk2.5 1.8 Unequal Length Sports Cat Exhaust Manifold, 01-05
Mazda MX5/Miata Mk2.5 1.8 Unequal Length Sports Cat Exhaust Manifold, 01-05
Developed for 01–05 Mazda MX5 / Miata Mk2.5 (NBFL) with the 1.8 engine (BP), this sports-cat section combines performance-oriented pipework with a catalytic core in an application-specific assembly.
Formed from 1.75-inch to 2.5-inch stainless steel pipework with TIG-welded joints, this section pairs freer-flowing pipework with a performance catalyst to support stronger flow and engine response.
Key features
- Vehicle-specific fitment: Mazda MX5 / Miata Mk2.5 (NBFL) — 01-05
- Unequal-length runner layout for a more distinctive exhaust character
- 1.75″ to 2.5″ pipework · Stainless Steel construction · TIG-welded joints
- Fitting kit included
Sound and character
The unequal-length layout creates a more distinctive, characterful exhaust pulse.
Design features
Uses a 200-cell catalyst core.
Fitment notes
Fits 01–05 Mazda MX5 / Miata Mk2.5 (NBFL) with the 1.8 engine (BP).
Important: The heater-core water pipe may require adjustment; refer to the fitting video before installation.
The sports catalyst offers a less restrictive alternative to many original catalyst sections and is well suited to tuned applications.
What’s in the box?
- 1 × EGR Blanking Plate
- 1 × Unequal-Length Tubular Exhaust Manifold
- 1 × Sports-Catalyst Manifold Adapter Pipe
- 1 × Fitting Kit
Technical specifications
- Product type: UEL Sports Cat Manifold
- Tube diameter: 1.75″ to 2.5″
- Material: Stainless Steel
Vehicle compatibility
- Manufacturer: Mazda
- Model: MX5 / Miata Mk2.5
- Chassis code: NBFL
- Production years: 01-05
- Engine: 1.8
- Engine code(s): BP
Built Around the Mazda MX-5 Mk2.5
The Mazda MX-5 Mk2.5 builds on the lightweight, rear-wheel-drive character of the second-generation roadster. A carefully matched exhaust can give it a deeper, more distinctive tone without taking away from its responsive feel.
On Mk2.5 models, the catalytic converter is positioned between the manifold and centre pipe. Confirm the NBFL chassis reference, engine size and the product-specific connection and clearance notes before ordering.
More Mazda MX-5 Mk2/Mk2.5 Exhaust Parts
| Weight | 11.85 kg |
|---|---|
| Dimensions | 90 × 20 × 37 cm |
| Manufacturer | Mazda |
| Part | UEL Sports Cat Manifold |
| Model | MX5 / Miata Mk2.5 |
| Fitting Kit Included? | Yes |
| Production Years | 01-05 |
| Important Notes | Gives a unique exhaust sound due to the unequal design, 200 Cell Cat. May require water pipe to heater core to be adjusted, ask for video if required. Fitment is restricted to the listed 2001–05 naturally aspirated Mk2.5 1.8 applications; excludes the earlier 1998–2000 Mk2 1.8 141 hp (BPD) application and turbo variants. K-Type coverage spans wider production years; check model and year before ordering. |
| EU Approved | No |
| Welding Type | TIG |
| Steering Side | Right Hand Drive or Left Hand Drive |
| Chassis Code | NBFL |
| Part Number | MAL-510 |
| Engine Size | 1.8 |
| Engine Code | BP |
| Tube Diameter | 1.75" to 2.5" |
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