EraCars / Ford Mustang GT / Cobra (SN95 / New Edge)
Ford Mustang GT / Cobra (SN95 / New Edge) (1994–2004)
SN95 · 5.0 HO / 4.6 2V GT · 4.6 DOHC Cobra (99–04 IRS)
At a glance
Risk 2/5 Market: Huge parts market
Must-have records:
- Clutch / rear end service
- Cobra: IRS bushing and half-shaft work
- Timing chain / tensioner on modular V8s
Live listings
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Parts & tools: Shop parts at Summit Racing.
Buy-risk rundown
| Issue | Symptom | How to check | Typical cost (as of Nov 2026) |
|---|---|---|---|
| 1999–2004 Cobra IRS differential bushings | 'Cobra clunk,' wheel hop, driveline vibration | Inspect front and rear diff mounts for collapsed/cracked bushings | Aftermarket bushing kits from ~$33 (parts); labor not yet verified [1][2] |
| Cobra IRS half-shafts / hub bearings / diff cover leaks | CV noise, play, gear-oil leaks | Lift inspection of shafts, hubs, cover | Not yet verified [3][4] |
| Clutch and dual-mass / flywheel (manuals) | Slip, chatter, high engagement | Test drive launch and highway pull | Not yet verified |
| Modular 4.6 oil leaks / timing cover | Oil smell, wet front cover | Visual inspection | Not yet verified |
| Rust (torque boxes, convertibles, rear torque boxes) | Soft floors, cracked torque boxes | Inspect under rear seats and torque boxes | Structural repair cost varies; not yet verified |
Cost figures checked against the sources below in Nov 2026. Bracketed numbers refer to the source list.
Notes
- 1994–98 SN95 vs 1999–04 New Edge: same platform family, different faces and (for Cobra) IRS from 1999.
- Terminator (2003–04) Cobras are a different market — verify supercharger and engine originality.
Before you buy
Use our printable pre-purchase inspection checklist and get a PPI from a marque specialist.
Sources
- Full Tilt Boogie, IRS informational article (accessed Nov 2026)
- AmericanMuscle, 99–04 Cobra IRS differential bushing kit (accessed Nov 2026)
- Hot Rod, Beefing up a Cobra IRS differential (accessed Nov 2026)
- SVTPerformance, 99–04 IRS what to watch for (accessed Nov 2026)
Last updated 2026-11-05. Costs vary by region and shop.
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