Boosted Engineering B58 M140i F20 M240i F22 F23 M340i F30 F34 M440i F32 F33 F36 4.5''Race Downpipe
Boosted Engineering B58 M140i F20 M240i F22 F23 M340i F30 F34 M440i F32 F33 F36 4.5''Race Downpipe
Boosted Engineering B58 M140i F20 M240i F22 F23 M340i F30 F34 M440i F32 F33 F36 4.5''Race Downpipe
Boosted Engineering B58 M140i F20 M240i F22 F23 M340i F30 F34 M440i F32 F33 F36 4.5''Race Downpipe
Boosted Engineering B58 M140i F20 M240i F22 F23 M340i F30 F34 M440i F32 F33 F36 4.5''Race Downpipe
Boosted Engineering B58 M140i F20 M240i F22 F23 M340i F30 F34 M440i F32 F33 F36 4.5''Race Downpipe

Boosted Engineering B58 M140i F20 M240i F22 F23 M340i F30 F34 M440i F32 F33 F36 4.5''Race Downpipe

Regular price$439.99
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Unlock the full potential of your BMW B58-powered vehicle with the Boosted Engineering 4.5" Race Downpipe, designed to significantly improve exhaust flow and turbo performance.

This high-flow race downpipe replaces the restrictive factory catalytic converter section with a larger 4.5-inch diameter design, allowing exhaust gases to exit more efficiently. The result is reduced backpressure, faster turbo spool, improved throttle response, and increased horsepower potential.

Engineered using high-quality performance-grade materials and precision welding, the downpipe offers excellent durability and heat resistance while maintaining OEM-style fitment for straightforward installation.

Why choose Boosted Engineering?

We're a new company with a lot to prove! Attempting to build Australia's fastest cars in every aspect: street, circuit and drag!

We focus solely on quality first to ensure that every part of your build only needs to be modified once!

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Top Quality Engineering

Boosted Engineering brand focuses solely on high quality and efficiency to ensure our customers get precision built and top tier performance, without wasting any performance!

Xforce 3in Valved Cat Back Exhaust System - 86/BRZ/GR86

Motorsport Focus

With a motorsport focus in mind, our products, where applied in any application, are some of the best in the world due to the efficiency and quality!

Don't take our word for it

★★★★★

Boosted Engineering always go above and beyond to ensure my car always performs at it's best!

Ben

Gold Coast, QLD

★★★★★

Fantastic customer service and very knowledgeable. Highly recommend.

Bree

Gold Coast, QLD

★★★★★

Great Communication and knowledge of products! They got me a better product for a lower price!

Oliver

ON, Canada