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Compact Evolution Racewerks (er) Bmw B58 F & G Chassis 4.5" Catless Downpipe (m340i & M340ix Non Opf Equipped Models) 80% Off - Today Only [lnRj78Ur]

$46.99 $150.99 -69%

Evolution Racewerks (ER) BMW B58 F & G Chassis 4.5" Catless Downpipe Experience the ultimate in performance with the Evolution Racewerks (ER) BMW B58 F & G Chassis 4.5" Catless Downpipe, designed specifically for 2020+ M340i(x) six-cylinder B58 turbo

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Compact Evolution Racewerks (er) Bmw B58 F & G Chassis 4.5" Catless Downpipe (m340i & M340ix Non Opf Equipped Models) 80% Off - Today Only [lnRj78Ur]

Evolution Racewerks (ER) BMW B58 F & G Chassis 4.5" Catless Downpipe

Experience the ultimate in performance with the Evolution Racewerks (ER) BMW B58 F & G Chassis 4.5" Catless Downpipe, designed specifically for 2020+ M340i(x) six-cylinder B58 turbo engines. This downpipe is engineered to deliver an impressive power boost and enhanced throttle response, making it a must-have upgrade for your BMW vehicle. Unlike OPF-equipped models, this downpipe is perfect for non-OPF M340i(x) vehicles, ensuring compatibility and maximum performance gains.

Unmatched Performance Features

The ER BMW B58 F & G Chassis 4.5" Catless Downpipe boasts a range of features that set it apart from the competition. Constructed from 100% stainless steel and 100% TIG welded, this downpipe ensures durability and longevity. Key features include:
  • Higher Max Horsepower Power Curve – Experience a significant increase in power output.
  • Higher Initial Torque Curve – Achieve faster and more responsive acceleration.
  • Better Throttle Response and Faster Turbo Spool Up Times – Notice an immediate improvement in driving dynamics.
  • Mandrel Bent 4.5" Piping – Ensures a smooth transition and optimal exhaust flow.
  • 100% Stainless Steel Construction – Provides long-lasting durability and corrosion resistance.

Seamless Integration and Customization

The ER BMW B58 F & G Chassis 4.5" Catless Downpipe is designed to seamlessly integrate with both factory and aftermarket exhaust systems, ensuring compatibility with your preferred setup. With the option to choose between Brush Finish and optional Polish Finish, you can personalize your vehicle's look. Additionally, this downpipe is available with high-temperature Black Thermal Coating, reducing underhood temperatures and adding corrosion resistance. For those looking to monitor air/fuel ratios or exhaust gas temperatures, the optional Additional O2 Sensor Bung and EGT Sensor Bung provide convenient installation options.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

This is a rock-solid, high-quality item.

- Summer A..

January 27, 2026

Absolutely no complaints!

This is a very sturdy, highly impressive tool.

- Damian T..

January 27, 2026

Absolutely no complaints!

A great product, and well worth it.

- Rosemary C..

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