KYOSTAR Valved Cat Back Exhaust System for BMW G20 G22 M340i M440i B58TU 2019+

 

Features:

  • Premium T304 Stainless Steel Construction: Crafted from high-grade #304 stainless steel for maximum durability and extreme corrosion resistance. This premium cat-back system features precision engineering to ensure a perfect fitment and a long-lasting polished finish.

  • Optimized Stepped Piping for Max Performance: Engineered with a highly efficient stepped piping design to maximize exhaust scavenging. The system starts with a massive 3.5-inch (89mm) Y-pipe front section, splits into dual 3.0-inch (76mm) mid-pipes, and flows into 2.36-inch (60mm) rear sections.

  • Integrated Dual Valved System: Features built-in dual electronic exhaust valves that allow you to seamlessly control the exhaust volume. Enjoy a quiet, comfortable ride in comfort mode, or unleash a deep, aggressive, and powerful exhaust sound when you switch to sport mode.

  • Aggressive Quad Carbon Fiber Tips: Upgrades your factory dual exhaust setup to a stunning quad-tip design, finished with premium carbon fiber exhaust tips. (Important Fitment Note: Because of the quad-tip design, an aftermarket quad-exhaust rear diffuser is strictly required for installation. It will not fit the factory trapezoidal diffuser cutouts.)

  • Direct Bolt-On Installation: Designed as a direct mechanical replacement for the restrictive factory cat-back system. Includes all necessary sleeve adapters for a straightforward, bolt-on installation with no cutting or welding of the factory pipes required.

 

Fitment:

  • BMW (G20/G21) M340i / M340i xDrive B58TU 2019+

  • BMW (G22/G23) M440i / M440i xDrive B58TU 2020+ 

 

Package include : 
  • 1 x Valved Cat Back Exhaust System

 

Note:
  • Professional Installation is Highly Recommended.
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Items are dispatched within 24 hours(except weekends and holidays) and shipped from UK. 
Shipping detail for different destinations: 
Destination United Kingdom Europe(except Island Countries)
Expected Time1-3 business days7-15 business days
Delivery may be delayed during weekends and holidays.We'll strive our best to provide you the most reliable, affordable way of shipping service. But sometimes it is highly depended on the courier companies and local customs,especially for international shipping.
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  • For inquires and customer support, please send your email via ebay email system. All emails will be responded to within 24 hours during business days.
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For inquires and customer support, please send your email via ebay email system. All emails will be responded to within 24 hours during business days.

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On 17-Aug-2026 at 11:35:36 BST, seller added the following information:

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