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  • Dinan 15-20 BMW M3/M4 (F80/F82/F83) Free Flow Axleback Exhaust System - Black Tips - D660-0050-BLK
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Dinan 15-20 BMW M3/M4 (F80/F82/F83) Free Flow Axleback Exhaust System - Black Tips - D660-0050-BLK
Dinan 15-20 BMW M3/M4 (F80/F82/F83) Free Flow Axleback Exhaust System - Black Tips - D660-0050-BLK
Dinan 15-20 BMW M3/M4 (F80/F82/F83) Free Flow Axleback Exhaust System - Black Tips - D660-0050-BLK
Dinan 15-20 BMW M3/M4 (F80/F82/F83) Free Flow Axleback Exhaust System - Black Tips - D660-0050-BLK
Dinan 15-20 BMW M3/M4 (F80/F82/F83) Free Flow Axleback Exhaust System - Black Tips - D660-0050-BLK
Dinan 15-20 BMW M3/M4 (F80/F82/F83) Free Flow Axleback Exhaust System - Black Tips - D660-0050-BLK
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Load image into Gallery viewer, Dinan 15-20 BMW M3/M4 (F80/F82/F83) Free Flow Axleback Exhaust System - Black Tips - D660-0050-BLK
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Dinan 15-20 BMW M3/M4 (F80/F82/F83) Free Flow Axleback Exhaust System - Black Tips - D660-0050-BLK

Exhaust, Mufflers & Tips Axle Back
Dinan
dnnD660-0050-BLK
In stock
$2,318.36 $2,699.95
Dinan's Free Flow axle-back exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is designed to provide a more aggressive sound under acceleration, while reducing drone inside the vehicle, thanks to computer-controlled valves that limit noise during low-speed driving and open fully during high-load conditions to allow free flow. The exhaust gasses exit through larger laser engraved polished, or ceramic black, quad tips. Features & Benefits Computer controlled valve limits noise during low speed driving; valve opens fully during high-load conditions to allow free flow Twin secondary exhaust valves with a whopping 76mm diameter, making them 45% less restrictive than the OE valves. Operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-Drive settings. Quad 3.5" black ceramic coated, or polished stainless, laser engraved exhaust tips Uses the factory brackets and hangers for a factory-like fitment Drone abatement technologies used to reduce cabin resonance Dinan exhaust is 3 lbs lighter than stock Stock exhaust valve actuaters are reused 100% 304 stainless steel construction Enjoyably louder, sporter sound More Power: +5 HP Downloads...
Dinan 15-20 BMW M3/M4 (F80/F82/F83) Free Flow Axleback Exhaust System - Black Tips - D660-0050-BLK
SKU: dnnD660-0050-BLK
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

Dinan's Free Flow axle-back exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is designed to provide a more aggressive sound under acceleration, while reducing drone inside the vehicle, thanks to computer-controlled valves that limit noise during low-speed driving and open fully during high-load conditions to allow free flow. The exhaust gasses exit through larger laser engraved polished, or ceramic black, quad tips.

Features & Benefits

  • Computer controlled valve limits noise during low speed driving; valve opens fully during high-load conditions to allow free flow
  • Twin secondary exhaust valves with a whopping 76mm diameter, making them 45% less restrictive than the OE valves.
  • Operation of exhaust valve is unchanged so exhaust tone can be adjusted via the M-Drive settings.
  • Quad 3.5" black ceramic coated, or polished stainless, laser engraved exhaust tips
  • Uses the factory brackets and hangers for a factory-like fitment
  • Drone abatement technologies used to reduce cabin resonance
  • Dinan exhaust is 3 lbs lighter than stock
  • Stock exhaust valve actuaters are reused
  • 100% 304 stainless steel construction
  • Enjoyably louder, sporter sound
  • More Power: +5 HP

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In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.

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Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.

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Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason

Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.

Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Shipping

To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.

Depending on your location, the time it may take for your exchanged product to reach you may vary.

If you are shipping an item over $100, you should consider using a trackable shipping service and/or purchasing Shipping Insurance.

To initiate a price match, please e-mail sales@allianceracing.com with the product information (SKU, URL, & Part Name) and a link to the competitors product page for us to validate the price match eligibility.

Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.

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