Product Description
Unleash your LB7 with the FLEECE FPE-LB7-63 — a 63mm billet Cheetah® turbo engineered as a true drop-in upgrade for 2001–2004 Silverado/Sierra 2500/3500 Duramax. Expect fast spool, strong mid-range, and the airflow to support serious power while keeping street manners. Includes the LB7 high-flow intake horn and a complete installation kit, with no core charge.
Why it wins
- 63mm billet compressor + high-flow Inconel turbine for killer response and top-end
- 100% drop-in design; retains factory plumbing for a clean install
- Includes high-flow intake horn and install kit; no core charge
- Built by Fleece Performance Engineering for durability and consistency
Fitment
Vehicles: 2001–2004 Chevrolet Silverado / GMC Sierra 2500 & 3500 with 6.6L Duramax LB7
Emissions: Federal Emissions vehicles only. Not for California-delivered vehicles.
Configuration: Direct drop-in replacement turbocharger (includes LB7 high-flow intake horn & installation kit)
Cross-Reference / Related Fleece Items (CPP Diesel)
- FLEECE FPE-DTFL-0116 – Remote Turbo Oil Feed Line Kit (2001–2016 Duramax)
- FLEECE FPE-VNT63-STREET – 63mm FMW Cheetah Turbo (2004.5–2010 LLY/LBZ/LMM)
- FLEECE FPE-LML-VNT-63-FMW-N – 63mm FMW Cheetah Turbo (2011–2016 LML)
- FLEECE FPE-TURBO-THERM – Turbo Thermostat Delete Plug (Duramax)
Fleece rates the LB7 63mm Cheetah to support up to ~625 RWHP with proper fueling, tuning, and supporting mods.
Is it really a drop-in?
Yes—this turbo is designed as a direct replacement. It includes an LB7 high-flow intake horn and installation kit to make the swap straightforward.
Do I need custom tuning?
Tuning is recommended to fully realize the turbo’s airflow potential and to keep EGT in check under heavy load.
Will it pass emissions?
This unit is for Federal Emissions vehicles only and does not fit California-delivered vehicles.
Specifications for FLEECE FPE-LB7-63
| Attribute | Value |
|---|---|
| Brand | Fleece Performance Engineering |
| Part Number | FPE-LB7-63 |
| UPC | 635909310006 |
| GTIN | 00635909310006 |
| Compatibility | 2001–2004 Chevrolet/GMC 2500/3500 6.6L Duramax LB7 (Federal Emissions only; not for California-delivered vehicles) |
| Included | High-flow LB7 intake horn; installation kit; no core charge |
| Cross Reference | FPE-DTFL-0116; FPE-VNT63-STREET; FPE-LML-VNT-63-FMW-N; FPE-TURBO-THERM |
| E-codes | Not applicable |
| Shipping Method | Free Shipping (standard ground, small parcel) |
| Package Dimensions / Weight | Not specified |
| Prop 65 | Cancer and Reproductive Harm – www.P65Warnings.ca.gov |