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ETi Nissan 350Z Seido Rear Diffuser

ETi Nissan 350Z Seido Rear Diffuser

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Regular price $955.00 USD
Regular price Sale price $955.00 USD
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Product Description

Meet the Seido Rear Diffuser V1 — a key component of the ETi Seido Series, crafted exclusively for widebody Nissan 350Z builds. Engineered to improve rear-end aerodynamics, reduce drag, and amplify your car’s aggressive presence, the Seido Rear Diffuser isn’t just about looks — it’s built to perform at every level.

Whether slicing through track corners or dominating street meets, the Seido Rear Diffuser delivers race-ready function with an unmistakable widebody flair.


🔥 Key Features

✔️ Aerodynamic Mastery – Sculpted fins and aggressive angles channel airflow efficiently to boost rear stability
✔️ Widebody-Perfect Fitment – Designed to seamlessly pair with ETi Widebody Rear Bumper V1
✔️ Motorsport-Inspired Design – Sharp styling that commands attention and confidence
✔️ Material Choices – Fiberglass standard, with carbon fiber and dry carbon upgrades available
✔️ Splitter Rod Ready – Supports additional reinforcement for track-focused builds


🧾 Specifications

  • Fitment: Nissan 350Z (Z33) — Fits ETi Widebody Rear Bumper V1 perfectly

  • Materials:

    • Standard: High-quality fiberglass

    • Upgrade: Carbon Fiber or Lightweight Dry Carbon (on request)

  • Finish:

    • Fiberglass: Raw, ready for paint or wrap

    • Carbon Fiber: Gloss or Matte UV-protected clear coat

  • Installation: Bolt-on (professional installation recommended for perfect alignment)


💬 Custom Requests?

👉 Contact us directly if you want dry carbon upgrades, custom finishes, or tailored mounting solutions.
Your build is unique — your diffuser should be too.


💪 Why the Seido Rear Diffuser is the Upgrade Your Z Needs

Proven Aero Performance – Improve rear-end grip and reduce drag at high speeds
Aggressive Widebody Styling – Enhance your Z33’s stance with race-ready aesthetics
Elite Ti Quality – Designed by enthusiasts, crafted for durability, tested on track
Seamless Integration – Perfect fitment with ETi widebody bumpers, no compromises
Worldwide Trust – Built for JDM lovers and racers around the globe


🏁 Seido: Where Function Meets Fearless Style

The ETi Nissan 350Z Seido Rear Diffuser isn’t just a part — it’s a statement. Whether you’re chasing lap times or heads turning, this diffuser completes your widebody build with unmatched precision and attitude.


🌍 Ships Worldwide | Custom Orders Welcome | Designed for Maximum Impact

➡️ Order now or DM us to explore full Seido aero kits, carbon upgrades, and combo deals.