Stainless Works Long Tube Header Kit, 2011-2023 Jeep Grand Cherokee 5.7L
Stainless Works part JP57HCAT is a long tube header kit for the 2011-2023 Jeep Grand Cherokee 5.7L. Port-matched 1-7/8in primary tubes feed into 3in high-flow catalytic converters at the factory connection point, built from corrosion-resistant 304 stainless steel and fully TIG welded for strength and durability. This kit does not fit Overland or Summit Edition trims.
Key Features
- 1-7/8in primary tubes, port matched for improved exhaust flow
- Integrated 3in high-flow catalytic converters
- Factory connection point for a bolt-on install
- 304 stainless steel construction, fully TIG welded
- Lifetime warranty on material and craftsmanship
Fitment
| Year | Make | Model |
|---|---|---|
| 2011-2023 | Jeep | Grand Cherokee 5.7L (excludes Overland and Summit Edition) |
Specifications
| Detail | Value |
|---|---|
| Manufacturer part number | JP57HCAT |
| Primary tube diameter | 1-7/8in |
| Catalytic converters | Included, 3in high-flow |
| Material | 304 stainless steel |
| Connection type | Factory connection point |
What's Included
- 1 pair of long tube headers with integrated catalytic converters
About Stainless Works
Stainless Works builds header kits from corrosion-resistant 304 stainless steel, TIG welded for strength and durability at their facility in Streetsboro, Ohio, backed by a lifetime warranty on material and craftsmanship, proudly made in the USA.
FAQ
What vehicles does this header kit fit?This kit fits 2011-2023 Jeep Grand Cherokee models with the 5.7L engine, excluding Overland and Summit Edition trims.
Does this kit include catalytic converters?Yes, this kit includes integrated 3in high-flow catalytic converters.
What size are the primary tubes?The primary tubes are 1-7/8in, port matched for improved exhaust flow.
What material are these headers made from?These headers are constructed from 304 stainless steel and fully TIG welded.
Is professional installation recommended?Yes, header installation involves working around the engine bay and should be performed by a qualified technician.
Does this kit connect to the factory exhaust?Yes, this kit uses the factory connection point for a bolt-on installation.
Does this kit fit the Overland or Summit Edition Grand Cherokee?No, this kit does not fit Overland or Summit Edition trims.
Does this kit include a warranty?Yes, Stainless Works backs this kit with a lifetime warranty on material and craftsmanship.
Installation Instructions
- Raise and safely support the vehicle, then remove the factory exhaust manifolds.
- Disconnect and remove any factory sensors and hardware obstructing header removal.
- Install the new header kit at the factory connection point, transferring sensors as needed.
- Reconnect the exhaust system and torque all fasteners to specification before lowering the vehicle.
Prop 65 Warning
WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov
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