BMW Exhaust Center Sections for BMW 3 Series F30 (2012+)

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Upgrading the center section of your exhaust often removes some restrictions, mainly catalytic converters, giving your vehicle both more power and more sound. We offer several different exhaust brands to get your vehicle sounding exactly the way you want it to!
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ARM Motorsports Upgraded Midpipe - BMW F3X 340/440 B58 3.0L
ARM Motorsports Upgraded Midpipe - BMW F3X 340/440 B58 3.0L
ARM Motorsports - Corporate Logo
T#:35087383
Part#: B58MID3
In Stock
Sale - Save 10% $ 547.00

This product was last offered at the strikethrough price on
08-11-2026

$ 492.30 USD
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Sale - Save 10%
$ 547.00

This product was last offered at the strikethrough price on
08-11-2026

$ 492.30 USD
Free Shipping
Add to Wish List
The ARM 340i Midpipe elevates the sound of your B58, delivering the aggressive exhaust note you've been looking for in a tuned B58-powered BMW. Engineered to boost both power and sound, this midpipe eliminates the two central resonators found in the stock 340i setup. Retaining the OEM muffler allows you to control the exhaust volume—engage Sport Plus mode to unleash the full roar of the upgraded B58, or switch to Comfort mode for a quieter drive through the neighborhood.
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Dinan High Flow Mid-pipe F3X
Dinan High Flow Mid-pipe F3X
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Dinan - Corporate Logo
T#:557284
Part#: D660-0057
Ships in 7 Business Days
Sale - Save 10% $ 675.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 608.36 USD
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Sale - Save 10%
$ 675.99

This product was last offered at the strikethrough price on
07-31-2026

$ 608.36 USD
Free Shipping
Add to Wish List

Elevate your BMW's exhaust system with the Dinan High Flow Mid-pipe, delivering an aggressive tone to the stock setup. When paired with the Dinan exhaust, the sound is perfected into an irresistible aggressive growl. This full mid-section eliminates the factory center section, replacing it with straight-through 3.25" T304 stainless steel tubing. Experience improved flow, enhanced sound, and a weight reduction of 3 pounds.

  • Achieve an aggressive tone with the stock system
  • Perfected sound with Dinan exhaust for an aggressive growl
  • Replaces factory center section for better flow
  • Straight-through 3.25" T304 stainless steel tubing
  • Enhanced performance and sound
  • 3-pound weight reduction
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