Mazda MX5/Miata Mk2 1.8 Unequal Length Exhaust Manifold, 98-00
Mazda MX5/Miata Mk2 1.8 Unequal Length Exhaust Manifold, 98-00
Mazda MX5/Miata Mk2 1.8 Unequal Length Exhaust Manifold, 98-00
Designed around 98–00 Mazda MX5 / Miata Mk2 (NB) with the 1.8 engine (BP), this unequal-length tubular manifold uses deliberately varied runner lengths to preserve a distinctive exhaust pulse.
Key features
- Unequal-length tubular runner layout
- 1.75″ to 2.5″ pipework · Stainless Steel construction · TIG-welded joints
- Fitting kit included
Important fitment information
The heater-core water pipe may require adjustment; refer to the fitting video before installation.
Check steering-side clearance, gasket faces, heat management and the downstream connection during installation.
What’s in the box?
- 1 × Fitting Plate
- 1 × Unequal-Length Tubular Exhaust Manifold
- 1 × Manifold Adapter Pipe
- 1 × Fitting Kit
| Weight | 8.75 kg |
|---|---|
| Dimensions | 22 × 89 × 37 cm |
| Engine Code | BP |
| 45924 | 22/07 |
| Chassis Code | NB |
| Part | UEL Manifold |
| Steering Side | Right Hand Drive or Left Hand Drive |
| Tube Diameter | 1.75" to 2.5" |
| Welding Type | TIG |
| Fitting Kit Included? | Yes |
| Model | MX5 / Miata Mk2 |
| Important Notes | Gives a unique exhaust sound due to the unequal design. May require water pipe to heater core to be adjusted, ask for video if required. Fitment is restricted to the listed 1998–2000 naturally aspirated Mk2 1.8 applications; excludes later models and turbo variants. K-Type coverage spans wider production years; check model and year before ordering. |
| Production Years | 98-00 |
| Manufacturer | Mazda |
| Part Number | MAL-501 |
| K-Type Data | 9430, 127216, 15797, 21499, 15798 |
| EU Approved | No |
| Engine Size | 1.8 |
| Manufacturer Part Number | MAL-501 |
| Condition | New |
|---|
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