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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.
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