Tomei EXPREME Exhaust Manifold Unequal-Length
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Tomei EXPREME Exhaust Manifold Unequal-Length - Toyota 86 / Subaru BRZ (ZN6/ZC6) - FA20
The Tomei EXPREME Unequal-Length Exhaust Manifold is a 4-1 unequal length header for the FA20-powered Toyota 86 and Subaru BRZ. The 4-1 layout prioritises throttle response, mid-range torque and the distinctive boxer rumble.
The catless layout improves exhaust efficiency and is routed to minimise heat transfer to the oil pan. It is built from SUS304 stainless steel with thick 12.5 mm flanges for a secure seal.
Fitment
This listing covers the Toyota 86 (ZN6) and Subaru BRZ (ZC6) with the FA20 engine.
Note: Catless design – check your state's emissions requirements before use on a registered road vehicle. Best paired with the Tomei EXPREME Joint Pipe (sold separately).
Specifications
- Layout: 4-1 unequal length
- Material: SUS304 stainless steel
- Flange thickness: 12.5 mm
- Weight: More than 2 kg lighter than factory
- Part number: 412003
Installation by a professional is recommended. Need help confirming fitment for your car? Contact our team at sales@chicaneaustralia.com.au.
Vehicle Compatibility
| Make | Model | Chassis | Engine | Notes |
|---|---|---|---|---|
| Toyota | 86 | ZN6 | FA20 2.0L Boxer | – |
| Subaru | BRZ | ZC6 | FA20 2.0L Boxer | – |
Product
- Brand
- Tomei
- Part number
- 412003
Details
- Layout
- 4-1 unequal length
- Material
- SUS304 stainless steel
- Flange thickness
- 12.5 mm
- Weight
- More than 2 kg lighter than factory
No instructions available for this product.

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