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Part #:
HSP LLY Cold Air Intake
2004.5-2005 GM 6.6L Duramax LLY
★★★★★
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Description
Increase airflow while adding custom styling under the hood of your 2004.5-2005 GM 6.6L Duramax LLY with the HSP LLY Cold Air Intake. This 4" mandrel bent intake draws fresh are from the headlight bezel and fender port for a consistent and re-flowing path that out-performs other intakes on the market. The heat deflection box provides an airtight seal which prevents hot engine temperatures from entering the filter. HSP has show an average increase of 20HP and 58 lb. x ft of torque.
Features:
- Increased Performance and Spool Up
- High Strength Silicone Boots
- CNC Machined Sensor Blocks For Perfect Fitment
- Multiple Powder Coat Options Available
Shipping Restrictions Apply 
Vehicle Applications
| YEAR | MAKE | ENGINE |
|---|---|---|
| 2004.5 | Chevy | 6.6L LLY Duramax |
| 2005 | Chevy | 6.6L LLY Duramax |
| 2004.5 | GMC | 6.6L LLY Duramax |
| 2005 | GMC | 6.6L LLY Duramax |
Product Options
| PART NUMBER | COLOR |
|---|---|
| 202-HSP-CB | Candy Blue |
| 202-HSP-CR | Candy Red |
Specifications
- Manufacturer Name HSP
- Shipping Weight 22.00 lb.
- Shipping Length 30 in.
- Shipping Width 17 in.
- Shipping Height 16 in.
- Fuel Type Diesel
- Filter Media Oiled
- Filter Type Washable & Reusable
- Intake Style Open Air Box
- Warranty Yes
- Warranty Info Limited Lifetime
-
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
- Internal LR
Frequently Bought Together
Reviews
★★★★★
4.6/5 Stars out of 5 Reviews
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Aaron (California) | December 25th, 2022
Just installed and haven’t Driven more than 15 miles but dang is the truck a lot faster and you can tell there’s a difference in power. I love it especially the way it sounds and feels on your throttle. Would recommend even though it’s a bit pricey, you get what you pay and more with excitement and looks!
Kennyb (Washington) | February 7th, 2022
The piece looks great. But it’s causing underboost and low circuit in maf. Not worth the $600 for all the problems it’s giving my lly.
sks (va) | November 28th, 2021
Real good quality parts hard to scratch the paint looks amazing and makes it perform better
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