MagnaFlow's Overland Series cat-back kit (#19702) is built for the INEOS Grenadier's 3.0L L6 and picks up at the catalytic converter, so the factory piping behind it is what gets swapped out. The rear exit is raised to improve ground clearance and departure angle, which is the main reason to choose it over a stock tailpipe on rough trails. Stainless steel construction, CNC-precision robotic fabrication, and MagnaFlow's limited lifetime warranty support the price against a cheaper system that may not hold up as well over time.
The kit's No Drone Technology uses passive quarter-wave noise cancellation to reduce the drone that can build at highway speed, which is the tradeoff most Grenadier owners care about on a long drive. Owners on user forums report that drone can still appear after other modifications, such as a long-range fuel tank, so results vary and checking exhaust routing and heat shield contact after installation is worth the time. For buyers searching for a Grenadier 3.0L overland exhaust, a high-clearance cat-back with black chrome 3.5" double-wall angle-cut tips, a straight-through muffler, and clamp-on inlet is the configuration to look for.
The manufacturer lists this system for the Grenadier equipped with the 3.0L L6 engine. Its product pages show a 2024-2025 range in one place and 2024-2026 in another, so confirm the model year with the manufacturer before ordering.
The manufacturer describes it as a direct-fit, clamp-on design that replaces the OEM system from the catalytic converter back. Because no gasket or seal is included, check the connection points during installation.
Owners on user forums note that the long-range fuel tank kit ships with its own replacement exhaust, designed around the extra tank. Owners considering both should verify fit and clearance before committing to an aftermarket system.
The manufacturer describes this as a bolt-on installation that may require basic automotive knowledge, and recommends professional installation. Expect to remove the factory system from the catalytic converter back, fit the clamp-on inlet, mount the included brackets, and leave connections loose until the routing clears the frame and body. Owners on user forums have raised warranty concerns, noting that the manufacturer would need to show the exhaust caused a failure before a warranty claim could be denied, so confirm your coverage before cutting anything. After installation, check for rubbing or a buzzing heat shield if drone appears.
