Exhaust› Mufflers and Resonators
HKS
HKS SUPER TURBO MUFFLER CZ4A FINAL EDITION
SKU: H005 31029-AM004
Moderate — 2–4 hours
Description
Constructed from SUS304 stainless steel, this muffler includes 124mm diameter tips and aims to reduce exhaust resonance and interior noise during street driving, while allowing for higher performance when paired with an HKS Metal Catalyzer.
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | HKS |
| Part Number | H005 31029-AM004 |
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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