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Scion FR-S / Toyota 86 GT86 General Forum The place to start for the Scion FR-S / Toyota 86 | GT86 |
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04-18-2023, 08:31 AM | #15 | |
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For noise, with the ACE-350 header and front pipe, factory mid/catback, noise is slightly louder than stock from idle, on the highway it's not a whole lot louder, barely competing with road and wind noise. |
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04-18-2023, 11:11 AM | #16 | |
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04-19-2023, 04:45 AM | #17 | |
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From the web. Brand: HKS Product: Super Manifold with Metal Catalyzer GT-Spec - BRZ ZC6 86 ZN6 Part Num: 33005-AT007 SPECIFICATIONS: Series: GT-Spec Material: Stainless Steel (SUS304) Layout: 4 -> 2 -> 1 Piping Diameter Size (mm): 60 Catalyzer Cell Count: -HKS: 150 -OEM: 600 Stock exhaust manifold has a catalyzer and it's causing a resistance for exhaust output that make the engine to perform poorly. HKS SUPER MANIFOLD with CATALYZER GT-SPEC for ZN6/ZC6 uses a compact and high cleaning capacity catalyzer, still it has a low resistance which passes Japan Exhaust Gas Regulation. Last edited by Dirty Harry; 04-19-2023 at 09:08 AM. |
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04-19-2023, 10:11 AM | #18 | |
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Surprised nobody has mentioned this to you yet. Yes it's a bit old school, and not too many people here have experimented with it, but it remains a viable alternative in your case. Of course a bottle doesn't last very long, but if you're only wanting a small increase, then you can design a low horsepower boost by choosing the right nozzle sizes and make it last longer. Just a thought. |
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04-19-2023, 11:32 AM | #19 |
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Shorter FD is probably not a solution if noise is a concern, will make the engine spin too fast on the highway.
Would advise getting a catted header + tune, panel filter and calling it an expensive day |
The Following User Says Thank You to alex87f For This Useful Post: | Dyniek (04-19-2023) |
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budget, discussion, horsepower |
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