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Stainless Works 2012-17 Jeep Grand Cherokee 6.4L Headers 1-7/8in Primaries 3in High-Flow Cats (part # JEEP64HCAT), built from 304 stainless steel by Stainless Works in Streetsboro, Ohio.
304 Stainless Steel
TIG Welded
2012–2021 Grand Cherokee 6.4L
Long Tube Headers
Lifetime Warranty
Made in USA
Upgrade the sound and performance of your 2012–2021 Jeep Grand Cherokee 6.4L with a premium long tube header kit from Stainless Works.
Gap your buddies on the track with an upgraded header system designed to let your Grand Cherokee breathe.
Port-matched 1-7/8" long tube headers flow into 3" high-flow catalytic converters for instant bolt-on power your Grand Cherokee deserves.
Stainless Works Header Kits are built from corrosion-resistant 304 stainless steel and TIG welded for strength and durability at our state-of-the-art facility in Streetsboro, Ohio.
We stand by our products with a lifetime warranty on material and craftsmanship, and as always, our products are proudly made in the USA.
Long Tube Header Design
Improves exhaust scavenging for more power and torque.
1-7/8" Primary Tubes
Balanced sizing for strong mid and top-end gains.
Port-Matched Headers
Designed to help the 6.4L HEMI breathe.
3" High-Flow Cats
High-flow catalytic converters support improved exhaust flow.
Mandrel Bent Tubing
Smooth airflow with zero restriction bends.
TIG Welded Construction
Precision welds for maximum durability.
| Vehicle Fitment | 2012–2021 Jeep Grand Cherokee 6.4L |
| System Type | Long Tube Header Kit |
| Primary Tube Size | 1-7/8" |
| Collector Size | 3" |
| Material | 304 Stainless Steel |
| Welding | TIG Welded |
| Catalytic Converters | High-Flow |
| Connection | Direct Bolt-On |
| Warranty | Lifetime |
| Origin | Made in USA — Streetsboro, Ohio |
⇩ Download Installation Instructions (PDF)
See It In Action
Sound Comparison and Features — Jeep Grand Cherokee 6.4L Long Tube Header Kit
What's In The Box
Frequently Asked Questions
Will this header kit fit my 2012–2021 Jeep Grand Cherokee 6.4L?
Yes. This long tube header kit is designed for the 2012–2021 Jeep Grand Cherokee with the 6.4L engine.
Does this kit include catalytic converters?
Yes. This kit includes 3" high-flow catalytic converters.
What primary tube size are these headers?
These headers use 1-7/8" primary tubes with smooth mandrel bends to optimize exhaust flow.
What warranty is included?
Stainless Works provides a lifetime warranty on material and craftsmanship.
Questions? Call us at | Mon–Fri 7:30am–4:30pm EST
Built To Order in 4 Weeks — Free Shipping on Orders $50+
California Prop 65 warning applies to this product.
Emissions note: headers, downpipes and catless/high-flow pipes may not be legal for street use in all states. Check your local emissions laws before installing.
Fitment note: Stainless Works systems are application-specific (year, cab/bed, transmission and factory exhaust). Send us your VIN before ordering and we will confirm fitment: 954-507-6261 or sales@americanmuscleperformance.net.
