HKS GT-Spec Super Exhaust Manifold with High-Flow Catalytic Converter for the 2022+ Toyota GR86.

HKS employs a low-density metal catalyst compared to the factory ceramic catalyst with a high density. It drastically decreases exhaust resistance.

It meets the emission control in Japan in 2018 by optimizing the blending ratio of the metals despite the low-density cells. Further, HKS obtains certification for meeting the emission control standards from a third-party organization.

4-2-1 equal-length design layout. The complete equal-length layout is achieved by careful studying, especially for the 4-part sections.

The flange at the cylinder head side employs the new design by considering the structure of the stepped section when inserting the pipe.

HPSL2: HKS Hi-Power SPEC-LII (Code No. 32016-AF101) 
GT Manifold: This product

Note: The above graph comes from HKS in-house data. The value may vary depending on the vehicle or measurement equipment.

The above shows the output measurement result from the combined use of the manifold and the muffler.
Output improvement is confirmed at the whole range when using the HKS Hi-Power SPEC-L2 (32016-AF101) and this product together.
Mainly the difference is noticeable in the middle range. However, using this product and the Hi-Power SPEC-L2 together drastically eliminates decreasing the torque at around 4,000 rpm.
Also, power output and torque are improved by a maximum of 10.2 kW (13.9 PS), 22.5 Nm (2.3kgf?m) at 4,300 rpm when combined with the GT manifold and Hi-Power SPEC-L2 compared to the factory vehicle.

Fits:

• 2022+ Toyota GR86

Note: [GT-SPEC] In an integrated type metal catalyzer with the manifold. The 1st catalyst was replaced with the metal catalyzer.

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