MBRP Armor Pro Cat-Back Exhaust System for 2017–2022 Infiniti Q60 3.0L, 3-Inch Dual Split Rear, Part S4406304

THE ONLY EXHAUST YOU"LL EVER NEED - MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It’s the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine’s cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great. Armor Pro Cat Back Exhaust System; 3 in.; Dual Split Rear; 4.5 in. OD Tips; T304 Stainless Steel; 4.5in. Outside Diameter Tips Included.

• Durable T304 Stainless Steel Construction. Easy to Clean and Maintain. Bolt-on Installation. MBRP Signature Styling and Sound. Utilizes OEM Hanger Locations. Smooth Mandrel Bent Tubing.
• Stainless Steel Tips Are Included
• Improved Torque And Horsepower
• Lower Exhaust Gas Temperatures
• Increased Throttle Response
• Utilizes OEM Hangers
• Mellow Exhaust Note
• Lifetime Warranty
• Bolt On Design

Upgrade your 2017–2022 Infiniti Q60 3.0L with the MBRP Armor Pro Cat-Back Exhaust System, part number S4406304. Designed for rear-wheel-drive and all-wheel-drive applications, this 3-inch exhaust system features a dual split rear outlet configuration and includes MBRP stainless steel exhaust tips with a 4.5-inch outside diameter. Its T304 stainless steel construction provides excellent durability, corrosion resistance, and ease of maintenance for vehicles operated in demanding conditions.

Every tube is mandrel bent to preserve a smooth, unrestricted interior path. This design helps maximize exhaust flow, improve throttle response, and support gains in torque and horsepower while helping reduce exhaust gas temperatures. The system produces a mellow exhaust note with distinctive MBRP styling, giving the Q60 a refined performance sound without sacrificing everyday drivability.

Installation is designed as a direct bolt-on using the vehicle’s original hanger locations, helping simplify fitment without extensive modifications. Stainless steel tips are included, and the system is backed by MBRP’s Lifetime Warranty for added long-term confidence. This product is intended for off-road or competition use where applicable and may require emissions-compliance verification before installation. California emissions restrictions may apply.

Key Product Specifications & Technical Data

• Brand: MBRP
• Part Number: S4406304
• Product Type: Cat-back exhaust system
• Material: T304 stainless steel
• Inlet and tubing size: 3 inches
• Outlet configuration: Dual split rear
• Exhaust tip size: 4.5-inch outside diameter
• Warranty: Lifetime warranty

What's Included

• MBRP Armor Pro cat-back exhaust system
• Stainless steel exhaust tips
• Installation hardware, as supplied by the manufacturer

Fitment: Fits 2017–2022 Infiniti Q60 models equipped with the 3.0L engine, including RWD and AWD applications where applicable. Verify vehicle configuration and emissions requirements before ordering.

Features:

• Durable T304 Stainless Steel Construction: Provides strong corrosion resistance, easy maintenance, and dependable service life in demanding driving conditions.
• Smooth Mandrel-Bent Tubing: Maintains a consistent internal diameter through each bend to support efficient exhaust flow and improved engine breathing.
• Performance-Oriented Flow: Helps support increased torque and horsepower, improved throttle response, and lower exhaust gas temperatures.
• Direct Bolt-On Installation: Uses OEM hanger locations and includes stainless steel tips for a straightforward installation with MBRP styling and a mellow exhaust note.

Fitments:
2017 Infiniti Q60 Premium
2017 Infiniti Q60 Red Sport 400
2017 Infiniti Q60 Sport
2018 Infiniti Q60 Luxe
2018 Infiniti Q60 Red Sport 400
2018 Infiniti Q60 Sport
2019 Infiniti Q60 Luxe
2019 Infiniti Q60 Pure
2019 Infiniti Q60 Red Sport 400
2020 Infiniti Q60 Luxe
2020 Infiniti Q60 Pure
2020 Infiniti Q60 Red Sport 400
2021 Infiniti Q60 Luxe
2021 Infiniti Q60 Pure
2021 Infiniti Q60 Red Sport 400
2022 Infiniti Q60 Luxe
2022 Infiniti Q60 Pure
2022 Infiniti Q60 Red Sport 400

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Clearance Item: t
Regular Stock: t
Units Per Sku: 1