Akrapovic Titanium Cat-Back Sports Exhaust + Evolution Link/Mid Pipes for BMW Z4 G29 M40i B58/B58B30C (Non-OPF/GPF) - Valved Rear Silencer/Muffler, Quad Carbon Fibre Tailpipes, Lightweight Back Box, Sound Kit Compatible

Akrapovic Titanium Rear Section and Mid-Pipe Upgrade for BMW Z4 G29 M40i B58 - non GPF non OPF - Quad Carbon Tailpipe Finishers

Give your G29 roadster the soundtrack and response it deserves with this Akrapovic titanium rear silencer paired with the Evolution mid-pipe set. Precision built from lightweight titanium with key pieces cast in Akrapovic’s own foundry, this premium system cuts weight, improves flow and unleashes a rich straight-six tone that suits the B58 perfectly. The quad carbon fibre outlets complete the factory-plus look at the back of the Z4.

What you get

• Titanium back box engineered for reduced mass and excellent durability
• Stainless steel Evolution link pipes to further open up exhaust flow
• Four hand crafted carbon fibre tailpipe finishers for a purposeful, motorsport style rear end
• Valve equipped system with optional in cabin control via the Akrapovic Sound Kit
• Exact fit for the BMW Z4 G29 M40i with B58B30C engine without particulate filter

Why enthusiasts choose this Akrapovic system

• Serious weight saving versus the stock rear section for sharper handling feel
• Smoother gas flow that helps the B58 breathe, supporting stronger mid range and top end
• Beautifully tuned note that is assertive in dynamic modes and more refined when cruising
• Outstanding build quality and consistency from one of the most respected exhaust manufacturers
• OEM level fitment that follows the Z4’s lines and integrates cleanly with the diffuser

Sound and control

The valved design offers multiple sound characters. Add the optional Akrapovic Sound Kit to switch the valves from the cockpit. Fitting the Sound Kit will void ECE type approval.

About the Evolution link pipes

This package includes the Evolution link pipe set in stainless steel for further performance headroom and a deeper, more engaging tone. Installing the link pipes will void ECE type approval.

Compatibility and important notes

• Engine code: B58B30C
• For vehicles without GPF or OPF only
• ECE type approval is not valid for this non GPF non OPF configuration
• To install the rear section, the original exhaust requires cutting at the specified location. Follow the supplied instructions carefully

Real world results

We run this Akrapovic setup on customer Z4 M40i builds and the feedback is consistently outstanding. The lightweight titanium construction, flawless welds and addictive soundtrack make it one of the most satisfying upgrades for the G29 platform.

Professional fitting

Want it installed properly the first time? Book expert fitting with MJ Modifications in Warwickshire. For a quote or to confirm suitability for your Z4 M40i B58, email info@mjmodifications.co.uk.

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