The HKS Hi-Power SPEC-L2 BLUEST is a dual-exit cat-back for the 2022+ Toyota GR86 (ZN8) and Subaru BRZ (ZD8) with the FA24D engine, built from ultra-thin-wall SUS304 stainless steel (0.5mm pipe, 0.8mm shell) for a 4.8 kg weight saving over stock; a 65mm main pipe splits to dual 50.8mm pipes exiting through a pair of 94mm blue-finished stainless tips.
Specifications
| Type | Cat-back exhaust system (Hi-Power SPEC-L II — BLUEST Edition) |
| Material | SUS304 stainless steel, ultra-thin wall (0.5mm pipe / 0.8mm shell) |
| Configuration | Dual exit (left & right) |
| Pipe Diameter | 65mm main → 50.8mm × 2 (dual) |
| Tips | Dual 94mm — blue-finished stainless steel (BLUEST Edition) |
| Sound Level | 87-88 dB (close, HKS); 82 dB stock |
| Weight Saving | 4.8 kg lighter than stock |
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