Air Intake Guide
Best Cold Air Intakes for the
2005 – 2010 Jeep Grand Cherokee: Every Kit Compared
A complete comparison of cold air intake systems for the 2005–2010 Jeep Grand Cherokee WK — covering the 3.7L V6, 4.7L V8, 5.7L Hemi, and 6.1L SRT8. Flow increase, horsepower and torque gains, filter types (oiled vs dry), pricing, and fitment notes from JLT, Injen, K&N, aFe, and more.
At a Glance
Quick Comparison
| Brand / Kit | Flow Increase | HP | Torque | Filter Type | Fits | Price | |
|---|---|---|---|---|---|---|---|
| JLT | — | +14 HP | — | Oiled | 6.1L SRT8 |
|
SHOP → |
| Injen PowerFlow | — | +12 HP | +13 lb-ft | Oiled | 4.7L V8 |
|
SHOP → |
| K&N 57 Series FIPK | — | +15.3 HP | +15.9 lb-ft | Oiled | 5.7L Hemi | $368 | SHOP → |
| aFe 4.7L | +10% | +17 HP | +19 lb-ft | Oiled | 4.7L V8 |
|
SHOP → |
| aFe Magnum FORCE | +73% | +19 HP | +25 lb-ft | Dry | 5.7L Hemi |
|
SHOP → |
| K&N 77 Series | — | +12.9 HP | +13.5 lb-ft | Oiled | 5.7L Hemi | $420 | SHOP → |
Important
What to Know Before You Buy
Cold Air vs Short Ram
A cold air intake draws air from outside the engine bay (fenderwell, grille) for cooler, denser air and better power. A short ram intake stays under the hood; easier install and lower cost, but can pull warmer air. For maximum gains, cold air is preferred.
Filter Maintenance
Oiled filters need periodic cleaning and re-oiling. Dry filters (Pro Dry-S, SynthaMax) are maintenance-free longer. Choose based on preference; both flow well when maintained.
Engine-Specific Fitment
The WK Grand Cherokee has multiple engines: 3.7L V6, 4.7L V8, 5.7L Hemi, and 6.1L SRT8. Each requires a different intake. Verify fitment for your engine before buying.
Commander Compatibility
Many WK Grand Cherokee intakes also fit the 2006–2010 Jeep Commander, which shares the same platform and engines. Check product listings for Commander fitment.
JLT Performance Cold Air Intake: Jeep Grand Cherokee 6.1L SRT8 2006–2010
JLT delivers the lowest-priced intake in this guide for 6.1L SRT8 owners. Dyno-verified 14–20 RWHP and torque gains. Roto-molded plastic tube resists heat soak vs metal. 4.25” tube; S&B Powerstack cotton filter. ABS heat shield included. Bolt-on install; no tune required.
JLT has a strong presence in the Mopar SRT community. The 6.1L SRT8 Grand Cherokee is a niche application; JLT is one of the few options. Good budget choice for SRT8 WK owners.
Pros
- Lowest price in this guide
- True cold air; USA-made
- Fits 6.1L SRT8 only
Cons
- 6.1L SRT8 only (not 3.7L, 4.7L, 5.7L)
- Oiled filter maintenance
Injen PowerFlow Cold Air Intake: Jeep Grand Cherokee 2005–2009 4.7L V8
Injen PowerFlow delivers strong value for 4.7L V8 WK owners. Dyno-verified +12 HP and +13 lb-ft. Wrinkle black finish. Cold air design; draws from fenderwell for cooler intake temps. Fits 2005–2009 Jeep Grand Cherokee 4.7L. Bolt-on; no tune required.
Injen has a solid reputation in the Jeep and domestic aftermarket. The PowerFlow uses a high-flow filter and mandrel-bent tubing. Good mid-tier option for 4.7L owners.
Pros
- Dyno-verified gains; strong price-to-performance
- True cold air design
- 4.7L V8 fitment
Cons
- 4.7L only (not 2005 3.7L, 5.7L, or 6.1L)
- Oiled filter maintenance
K&N 57 Series FIPK Cold Air Intake: Jeep Commander / Grand Cherokee 5.7L Hemi 2005–2010
K&N 57 Series FIPK is the most versatile option for 5.7L Hemi WK owners. Dyno-verified +15.3 HP and +15.9 lb-ft. Roto-molded HDPE tube; oversized oiled cotton filter. Heat shield protects from engine heat. Fits 2005–2010 Jeep Grand Cherokee and Commander 5.7L. Washable filter lasts up to 100,000 miles before servicing.
K&N has decades of heritage in the Jeep and domestic aftermarket. The 57 Series is a proven, high-quality option for 5.7L Hemi WK and Commander owners.
Pros
- Dyno-verified gains; strong reputation
- Fits Grand Cherokee and Commander 5.7L
- 100,000-mile filter service interval
Cons
- 5.7L Hemi only (not 3.7L, 4.7L, 6.1L)
- Oiled filter maintenance
aFe Cold Air Intake: Jeep Commander / Grand Cherokee 4.7L 2005–2010
aFe delivers the highest torque gain for 4.7L V8 WK owners: +10% flow, +17 HP, +19 lb-ft. Power Stage 2 design; heat-blocking design improves engine breathing. Fits 2006–2009 Jeep Commander and 2005–2010 Grand Cherokee 4.7L. Pro 5R oiled filter. Bolt-on; no tune required.
aFe has a strong presence in the Jeep aftermarket. The Stage 2 Cold Air Intake is engineered for direct bolt-on installation with a factory-like appearance.
Pros
- Highest torque gain (+19 lb-ft) for 4.7L
- +10% flow increase; dyno-verified
- Fits Commander and Grand Cherokee
Cons
- 4.7L only (not 3.7L, 5.7L, 6.1L)
- Oiled filter maintenance
aFe Magnum FORCE Stage-2 Cold Air Intake: Jeep Grand Cherokee WK / Commander 5.7L 2005–2010
aFe Magnum FORCE delivers the highest flow increase in this guide: +73% over stock. Dyno-verified +19 HP and +25 lb-ft. Pro Dry-S (dry) filter; no oiling required. Fits 2005–2010 Jeep Grand Cherokee WK and 2006–2010 Jeep Commander 5.7L Hemi. Bolt-on; no tune required.
Ideal for 5.7L Hemi owners who want maximum gains and a maintenance-free dry filter. The Magnum FORCE Stage-2 is a premium upgrade over the factory air intake.
Pros
- +73% flow; highest in this guide
- Dry filter (no oiling)
- +25 lb-ft torque gain
Cons
- 5.7L Hemi only (not 3.7L, 4.7L, 6.1L)
K&N 77 Series Cold Air Intake: Jeep Commander / Grand Cherokee 5.7L Hemi 2005–2010
K&N 77 Series offers premium construction for 5.7L Hemi WK owners. Mandrel-bent aluminum tube; polished finish. Dyno-verified +12.9 HP and +13.5 lb-ft. High-flow oiled cotton filter. Fits 2005–2010 Jeep Grand Cherokee and Commander 5.7L. Washable filter; up to 100,000 miles before cleaning.
The 77 Series is K&N’s premium cold air intake line. Polished aluminum and robust construction for owners who want a high-end look under the hood.
Pros
- Premium mandrel-bent aluminum tube
- Polished finish
- Fits Grand Cherokee and Commander 5.7L
Cons
- 5.7L Hemi only (not 3.7L, 4.7L, 6.1L)
- Oiled filter maintenance
Fitment Reference
Which Kits Fit Your Engine?
| Engine | JLT | Injen | K&N 57 | aFe 4.7L | aFe 5.7L | K&N 77 |
|---|---|---|---|---|---|---|
| 3.7L V6 | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ |
| 4.7L V8 | ✗ | ✓ | ✗ | ✓ | ✗ | ✗ |
| 5.7L Hemi | ✗ | ✗ | ✓ | ✗ | ✓ | ✓ |
| 6.1L SRT8 | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
✓ = Confirmed • ✗ = Excluded
Common Questions
Frequently Asked Questions
Do I need a tune when installing a cold air intake?
Most cold air intakes are plug-and-play; no tune required. The factory MAF sensor and ECU handle the increased airflow. For heavily modified engines, a tune can optimize gains. Check the product listing for manufacturer notes.
Will a cold air intake void my warranty?
Bolt-on intakes generally do not void the vehicle warranty. They do not alter emissions equipment. Some dealers may flag modifications; check with your dealer if concerned. Magnusson-Moss Warranty Act protects against blanket voiding.
I have a Jeep Commander. Do these intakes fit?
Many WK Grand Cherokee intakes also fit the 2006–2010 Jeep Commander, which shares the same platform and engines (4.7L, 5.7L). Check each product listing for Commander fitment.
I have a 6.1L SRT8. What are my options?
The 6.1L SRT8 Grand Cherokee is a niche application. JLT offers a dedicated cold air intake for 2006–2010 Jeep Grand Cherokee 6.1L SRT8. Few other brands support this engine.
Ready to Upgrade Your Jeep Grand Cherokee Intake?
Compare flow increase, horsepower, and torque above, pick the right fit for your engine (3.7L, 4.7L, 5.7L, 6.1L SRT8) and budget, and order with confidence. Need help? Contact us.
