Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 2
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 3
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 4
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 5
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 6
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 7
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 8
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 2
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 3
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 4
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 5
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 6
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 7
Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026, image 8

Dinan High Flow Middle Exhaust (X-Pipe) - BMW M3 / M4 (G80/G82/G83) 2021-2026

Dinan SKU: DNND660-0094
Price
20% OFF
In Stock – Ready to Ship
Make sure this fits your vehicle Select your vehicle to confirm fitment before you order. Check
Shipping calculated at checkout.

The Dinan High Flow Middle Exhaust replaces the hydroformed factory center section on the G8x M3 and M4, running from the secondary catalysts back to the axle-back and deleting both resonators for a louder, fuller note. It substitutes larger 3-inch (76mm) T304 stainless steel tubing for the stock 2.75-inch (70mm) pipe and adds a mandrel-bent X-pipe crossover that evens flow across both banks and removes the harshness caused by uneven exhaust flow in the stock system. The section weighs 5 pounds less than the factory mid-pipe and pairs with the Dinan valved axle-back for the complete system.

Specifications

Type High-flow middle exhaust (X-pipe, resonator delete)
Position Mid-section (secondary catalysts to axle-back)
Material 100% T304 stainless steel
Tubing Diameter 3in (76mm), vs 2.75in (70mm) stock
Crossover Mandrel-bent X-pipe
Weight Savings 5 lb lighter (17 lb vs 22 lb stock)
Part Number D660-0094

This part fits:

Year Make Model Submodel
2021-2026 BMW M3 Base
2021-2026 BMW M3 Competition
2022-2026 BMW M3 Competition xDrive
2021-2026 BMW M4 Base
2021-2026 BMW M4 Competition
2022-2026 BMW M4 Competition xDrive
2023 BMW M4 CSL

Shipping

  • Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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