MBRP 17-20 Honda Ridgeline 3.6L T304 Stainless Steel 2.5in Cat-Back - Single Side

SKU: S5900304 / UPC: 882963129604

MBRP Cat-Back Exhaust System for 2017-2020 Honda Ridgeline 3.5L V6 – T304 Stainless Steel 2.5-Inch Single Side Exit

The MBRP cat-back system, engineered for direct bolt-on fit and noticeable gains in power, torque, and fuel efficiency. This 2.5-inch T304 stainless steel setup delivers a refined Tour Profile sound deep and resonant for daily drives without excessive drone while slashing backpressure for smoother exhaust flow. Drivers report up to 35% better flow compared to stock systems, translating to quicker throttle response and a custom growl that turns heads at every stop.

Backed by a lifetime warranty, the S5900304 stands out for its corrosion-resistant build and hassle-free install, making it the go-to upgrade for Ridgeline owners seeking reliable performance without compromise.

Precise Vehicle Fitment

Designed exclusively for the second-generation Honda Ridgeline:

• Year: 2017-2020
• Make: Honda
• Model: Ridgeline
• Engine: 3.5L V6 (gasoline)

Configuration: All trims, including RTL, RTS, Sport, Black Edition; single side exit compatible with factory catalytic converter placement

This system retains OEM hangers for a seamless, no-cut install that aligns perfectly with the Ridgeline's unibody frame and 3.5L engine bay.

Complete Kit Contents

Every MBRP S5900304 purchase includes all components for a full cat-back replacement:

• Front pipe (2.5-inch diameter, mandrel-bent T304 stainless steel)
• Mid-pipe (2.5-inch diameter, mandrel-bent T304 stainless steel)
• Muffler (high-flow, perforated core for balanced tone)
• Under-axle pipe (2.5-inch diameter, mandrel-bent T304 stainless steel)
• Tail pipe (2.5-inch diameter, mandrel-bent T304 stainless steel)
• Exhaust tip (4-inch OD, polished dual-wall angle-cut stainless steel)
• Gasket (high-temperature exhaust seal)
• Hardware kit (bolts, nuts, and brackets for secure mounting)
• 2.5-inch clamps (stainless steel band-style for leak-free connections)

No additional parts needed everything bolts directly to the factory downpipe and catalytic converter.

Key Specifications

• Part Number: S5900304
• UPC: 882963129604
• Material: T304 stainless steel (full system, including tip)
• Tubing Diameter: 2.5 inches (mandrel-bent for unrestricted flow)
• Exit Style: Single side (driver side)
• Sound Profile: Tour (mild to moderate volume, performance-oriented without cabin drone)
• Inlet/Outlet Diameter: 2.5 inches inlet; 4-inch outlet tip
• Muffler Quantity: 1
• Clamps Included: Yes (2.5-inch size)
• Catalytic Converter: Not included (reuses factory)
• Part Weight: 38.5 lbs
• Shipping Box Dimensions: 42.75 x 17 x 7.75 inches
• Warranty: Lifetime against defects

Performance and Driving Benefits

The S5900304 replaces restrictive factory piping with smooth, larger-diameter tubing that reduces exhaust gas temperatures and boosts scavenging for 5-10 horsepower and torque gains on the 3.5L V6 ideal for towing, highway passing, or off-road hauls.

Expect improved MPG from freer-breathing exhaust, plus a signature MBRP rumble that enhances the Ridgeline's V6 character. The single side exit tucks neatly under the bed for ground clearance, and the polished 4-inch tip adds a factory-plus aesthetic.

Installation takes 1-2 hours with basic tools like a jack, stands, and penetrating oil for hangers full instructions included.

For 2017-2020 Honda Ridgeline owners, the MBRP S5900304 delivers proven durability and drivability upgrades that outperform stock setups and rival aftermarket options, all at a price that fits real-world budgets. Order now and hear the difference on your next drive.