Will Motordyne 5/16" plenum spacer (VQ35DE) fit a Infiniti G35 (V35, 2003-2007 sedan and coupe)?
Added · Updated
Short answer: Yes, reportedly Reported
Verdict:Fits Reported confidence (2 of 3) · 3 sources
Yes, reportedly: Yes on the G35's VQ35DE per Motordyne's instructions.
| Part | Motordyne 5/16" plenum spacer (VQ35DE) |
|---|---|
| Vehicle | Infiniti G35 (V35, 2003-2007 sedan and coupe) |
| Years | 2003-2007 |
| Trim / condition | VQ35DE; best on non-Rev-up engines |
| Verdict | Fits Reported to fit |
| Confidence | Reported 2 of 3 — Stated by one reasonably reputable source (retailer, shop, magazine). Not independently confirmed. |
| Last verified | 2026-10-26 (date the cited sources were last read) |
Details
Yes on the G35's VQ35DE per Motordyne's instructions. An owner guide says non-Rev-up G35s gain about 15 hp, while 2005-on 6MT Rev-up engines gain little from the spacer alone. Not sold for California.
Specs
- engine: VQ DE series only
- claim: 11-13 hp per the maker
Related build entries
This part on other generations
- Nissan 350Z (Z33, 2003-2009) — Reported to fit Fits
More for this car
- All Infiniti G35 (V35, 2003-2007 sedan and coupe) fitment answers · V35 common problems
- Newsletter archive: past issues with every new and corrected entry
Sources
- Plenum Spacer & MREV2 Manifold installation (VQ DE series engine only) — Motordyne Engineering (maker's install instructions PDF) (vendor article; read 2026-10-26; full page read)
- Infiniti G35: a buyer's guide — Grassroots Motorsports (forum post) (forum thread; read 2026-10-26; full page read)About 15 hp on non-Rev-up cars; little on Rev-up alone.
- 350Z 5/16" Basic Plenum Spacer — Motordyne Engineering (maker's store page) (vendor article; read 2026-10-26; full page read)
Summaries are in our own words. Fitment is not guaranteed — disclaimer.
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