Product Description
Overview
Unlock smoother exhaust flow and lower EGTs on your 2003–2007 Ford F-250/F-350 6.0L Power Stroke with the Diamond Eye 165030 Turbo Downpipe – First Section. This Performance Series piece uses 409 stainless steel and a 3.5" mandrel-bent path to improve turbo response and durability. No oxygen sensor bung on this section by design.
Key Features
- Direct-fit first section for 6.0L Power Stroke (03–07)
- 3.5" inlet / 3.5" outlet mandrel bends for optimal flow
- 409 stainless steel construction (Performance Series)
- No O2 sensor bung on this section
- Engineered to pair with the Diamond Eye second section for a complete downpipe path
Fitment
- Ford F-250 / F-350 Super Duty, 2003–2007
- Engine: 6.0L Power Stroke Diesel
- Cab/Bed: All cab and bed lengths
- Position: Turbo downpipe – first section
Cross-References & Alternatives (Diamond Eye only)
Pair or compare with these Diamond Eye items on CPP Diesel:
- Second Section (matching 03–07 6.0L): DIAMOND EYE 165031 .
- 08–10 6.4L 4" Downpipe (race use only): DIAMOND EYE 165102 .
- 94–97.5 7.3L Stainless Downpipe: DIAMOND EYE 162004 .
- 94–97.5 7.3L Performance Series: DIAMOND EYE 122004 .
Why Buy from CPP Diesel
- Real diesel tech support for year/fitment questions
- Fast shipping from trusted inventories
- Thousands of verified-fit Power Stroke parts
Specifications
| Specifications for DIAMOND EYE 165030 | |
|---|---|
| Brand | Diamond Eye Performance |
| Part Number | 165030 |
| Series | Performance Series |
| Material | 409 Stainless Steel |
| Diameter | 3.5" Inlet / 3.5" Outlet |
| UPC | 841963112931 |
| GTIN (14) | 00841963112931 |
| Engine Compatibility | Ford 6.0L Power Stroke Diesel (2003–2007) |
| Configuration | Turbo downpipe – first section, no O2 bung |
| Shipping Weight | ~6 lb |
| Package Dimensions | ~37" × 9" × 9" |
| Shipping Method | Ground |
| Country of Origin | Not specified |
| Prop 65 Warning | WARNING: Cancer and Reproductive Harm – P65Warnings.ca.gov |
Installation Notes
- Penetrating oil on clamps/fasteners helps removal of the factory piece
- Always test-fit before final tightening
- Pair with 165031 second section for best results.
FAQ
Does this first section include an oxygen sensor bung?
No. The 165030 first section does not include an O2 bung by design. If you need the mate, see the second section (165031).
Will it fit all cab and bed configurations?
Yes—Diamond Eye lists this for all cab and bed lengths on 2003–2007 6.0L Super Duty models.
What material is used?
409 stainless steel, part of Diamond Eye’s Performance Series construction.
Do I need tuning?
No tuning is required for installation of this first-section pipe. Always verify local emissions rules for your area.
