Product Description
Free up airflow on your LB7 with the FLEECE FPE-LB7-IAH-DELETE Intake Air Heater Delete Plug. CNC-machined from billet aluminum and pre-tapped 1/8" NPT, it’s a clean, reliable way to remove the factory intake air heater and add a boost gauge, nitrous, or water-meth port.
Why it wins
- Increases intake airflow by removing the IAH restriction
- CNC-machined billet construction for durability and seal integrity
- Pre-drilled/tapped 1/8" NPT port for accessories
- Direct fit for LB7 6.6L Duramax (2001–2004)
Fitment
Engine: 6.6L Duramax LB7
Model Years: 2001–2004 (Silverado/Sierra HD LB7)
Notes: Aftermarket tuning required for use.
Cross-Reference / Related Fleece Items (CPP Diesel)
- FLEECE FPE-INTAKEHORN — Modified LB7 Intake Horn
- FLEECE FPE-34611 — LB7 Injection Lines (Complete Set of 8)
- FLEECE FPE-PF-GM-0104 — PowerFlo In-Tank Lift Pump (2001–2004 LB7)
Yes. Aftermarket tuning is required for proper operation after removing the factory intake air heater.
What thread is the accessory port?
It’s pre-tapped 1/8" NPT for a boost gauge, nitrous, or water-meth nozzle.
Will this fit LLY/LBZ and later Duramax engines?
No. This plug is specific to 2001–2004 LB7. See other Fleece SKUs for later platforms.
What about emissions or safety warnings?
California Proposition 65 may apply (see table below). Always follow local laws.
Specifications for FLEECE FPE-LB7-IAH-DELETE
| Attribute | Value |
|---|---|
| Brand | Fleece Performance Engineering |
| Part Number | FPE-LB7-IAH-DELETE |
| UPC | 635909310372 |
| GTIN | 00635909310372 |
| Compatibility | 2001–2004 GM Silverado/Sierra HD with 6.6L Duramax LB7 |
| Cross Reference | FPE-INTAKEHORN; FPE-34611; FPE-PF-GM-0104 |
| E-codes | Not applicable |
| Shipping Method | Standard ground (small parcel) |
| Package Dimensions / Weight | Not specified |
| Country of Origin | Not specified |
| Prop 65 | Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
