MBRP S45003CF Armor Pro Axle-Back Exhaust System for 2017-2021 BMW M240i

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 Axle Back Exhaust System; 3 in.; Dual Rear Exit; T304 Stainless Steel; 4 in. Carbon Fiber Tip; 4in. OD Out Carbon Fiber Tips Included. Eliminates Factory Exhaust Valve. Cutting of OEM Required For Installation.

• Durable T304 Stainless Steel Construction. Moderate Sound Level. Eliminates Factory Exhaust Valve, No Simulator Required. Up to 25% Flow Increase.
• Minimum Degree Mandrel Bends For Smoother Exhaust Flow
• Designed To Minimize Exhaust Temperatures
• Designed To Maximize Exhaust Flow
• Direct Fit To The OEM Hangers
• Improved Fuel Efficiency
• Bolt On - No Weld Design
• Increased Performance
• Lifetime Warranty

Upgrade your BMW M240i with the MBRP Armor Pro S45003CF axle-back exhaust system, engineered for improved exhaust flow, enhanced performance, and an aggressive yet moderate sound level. This 3-inch system features a dual rear exit design and durable T304 stainless steel construction, making it well suited for demanding driving conditions and long-term use. The included 4-inch carbon fiber exhaust tips provide a distinctive appearance while complementing the vehicle’s factory styling.

Mandrel-bent tubing maintains consistent internal diameter through each bend, helping reduce restriction and support smoother exhaust flow. The system is designed to increase flow by up to 25%, minimize exhaust temperatures, and improve overall engine breathing. It installs using the factory exhaust hangers and a bolt-on, no-weld design. Installation requires cutting the OEM exhaust and eliminates the factory exhaust valve; no simulator is required. MBRP backs this Armor Pro system with a lifetime warranty.

Key Product Specifications and Technical Data

• Brand: MBRP
• Part Number: S45003CF
• Product Type: Axle-back exhaust system
• Vehicle Application: BMW M240i and M240i xDrive
• Model Years: 2017-2021
• Inlet and Tubing Size: 3-inch exhaust tubing
• Exit Configuration: Dual rear exit
• Tip Material and Finish: Carbon fiber exhaust tips

What's Included

• MBRP Armor Pro axle-back exhaust system
• Dual rear exit carbon fiber exhaust tips
• Installation hardware required for the system

Fitment includes the 2017-2021 BMW M240i and M240i xDrive. Verify the vehicle configuration and installation requirements before ordering. This system is intended for automotive applications and is not CARB approved.

Features:

• T304 Stainless Steel Construction: Provides excellent durability, corrosion resistance, and easy maintenance in demanding conditions.
• Mandrel-Bent Tubing: Maintains a smooth, consistent exhaust path to support improved flow and engine breathing.
• Dual Rear Exit Design: Delivers a balanced performance appearance with dual outlets and included carbon fiber tips.
• Performance-Focused Flow: Designed to increase exhaust flow by up to 25%, reduce exhaust temperatures, and support improved performance and fuel efficiency.

Fitments:
2017 BMW M240i Base
2017 BMW M240i xDrive Base
2018 BMW M240i Base
2018 BMW M240i xDrive Base
2019 BMW M240i Base
2019 BMW M240i xDrive Base
2020 BMW M240i Base
2020 BMW M240i xDrive Base
2021 BMW M240i Base
2021 BMW M240i xDrive Base

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