What does the Dinan E90 M3 axle-back exhaust fit?

The Dinan E90 M3 axle-back exhaust fits the E90 BMW M3 sedan (2008-2011) with the S65 4.0L V8. It is a direct bolt-on to the factory mounting points, replacing the rear section of the exhaust for a louder, fuller note.

How much louder is it?

The Dinan E90 M3 axle-back exhaust uses a free-flow design that reduces backpressure through the rear section for a louder, fuller note than the muted factory system, while staying civil during normal cruising.

What finish are the tips?

This version uses black ceramic clamp-on tips. The system is 100% T304 stainless steel, TIG-welded and brush-finished for a clean, corrosion-resistant appearance at the rear of the car.

An axle-back exhaust is chosen mainly for sound and styling. The Dinan E90 M3 axle-back exhaust reduces backpressure through the rear section, which can free up a small amount of power, but the primary benefit is the improved note and appearance.

Is installation difficult?

No. The Dinan E90 M3 axle-back exhaust is a bolt-on installation using the factory mounting points, with no cutting or welding required. Mounting hardware is included to complete the swap.

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Description

Dinan Free Flow Axle-Back Exhaust with Black Tips for E90 BMW M3

Dinan E90 M3 exhaust is a T304 stainless steel free-flow system for the E90 BMW M3 sedan and its high-revving S65 4.0L V8. The free-flow rear section reduces backpressure for a louder, fuller note that lets the S65 sing, capped with quad 3″ black ceramic clamp-on tips. A Helmholtz chamber removes drone from a single-channel, straight-through canister design, and the system is TIG-welded and brush-finished throughout, coming in 10lbs lighter than stock.

Features

Uses the factory brackets and hangers for a factory-like fitment
Quad 3″ black ceramic-coated, laser-engraved exhaust tips
Max gains of 6hp and 5ft-lb of torque at 6,800 rpm
Single-channel, straight-through canister design
100% T304 stainless steel construction
Helmholtz chamber to remove drone
Enjoyably louder, sportier sound
10lbs lighter than stock

Applications

BMW M3: E90 | 2008-2011 | 4.0L V8 S65

Notes

Fits the E90 sedan only; the E92 coupe and E93 convertible use a different Dinan axle-back

Frequently Asked Questions

What does the Dinan E90 M3 exhaust fit? The Dinan E90 M3 exhaust fits the E90 BMW M3 sedan (2008-2011) with the S65 4.0L V8. It is a direct bolt-on to the factory mounting points, replacing the rear section of the exhaust for a louder, fuller note.
How does the Dinan E90 M3 exhaust control drone? The system uses a Helmholtz chamber inside a single-channel, straight-through canister design to cancel drone-prone frequencies without restricting flow, keeping the cabin composed at a cruise while still letting the S65 sing under throttle.
What are the tips made of on the Dinan E90 M3 exhaust? The system is 100% T304 stainless steel, TIG-welded and brush-finished, and capped with quad 3″ black ceramic clamp-on tips. The construction resists corrosion and gives a clean, uniform appearance at the rear of the M3.
Does the Dinan E90 M3 exhaust save weight? Yes. The system comes in 10lbs lighter than the stock rear section, in addition to delivering max gains of 6hp and 5ft-lb of torque at 6,800 rpm.
Is the Dinan E90 M3 exhaust difficult to install? No. The Dinan E90 M3 exhaust is a bolt-on installation using the factory mounting points, with no cutting or welding required. Mounting hardware is included to complete the swap.

About Dinan

Founded in 1979, Dinan is North America’s leading BMW tuner, developing, manufacturing, and marketing a full line of high-performance products for BMW, MINI, and Mercedes-Benz. Dinan works through a nationwide network of Authorized Dinan Performance Centers, including select BMW dealerships and independent BMW service and performance shops. The company’s warranty program, introduced in 1996 with BMW of North America’s cooperation, matches BMW’s new car warranty and covers Dinan enhancements and the vehicle itself for up to 4 years or 50,000 miles. That coverage lets BMW owners add real performance without risking their factory warranty. Automotive publications have tested Dinan-enhanced BMWs against some of the world’s most exotic sports cars for three decades, and the results consistently hold up. Despite that performance, Dinan BMWs keep the reliability and everyday civility BMW owners expect. The product line spans engine, driveline, and chassis components across the full BMW lineup, covering acceleration, cornering, and stopping power. Every Authorized Dinan Performance Center can help build anything from a single upgrade to a complete Dinan BMW.

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BP Pricing Difference

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