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  • Dinan 00-03 BMW M5 (E39) Free Flow Axleback Exhaust - Polished Tips - D660-3950
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Dinan 00-03 BMW M5 (E39) Free Flow Axleback Exhaust - Polished Tips - D660-3950
Dinan 00-03 BMW M5 (E39) Free Flow Axleback Exhaust - Polished Tips - D660-3950
Dinan 00-03 BMW M5 (E39) Free Flow Axleback Exhaust - Polished Tips - D660-3950
Dinan 00-03 BMW M5 (E39) Free Flow Axleback Exhaust - Polished Tips - D660-3950
Dinan 00-03 BMW M5 (E39) Free Flow Axleback Exhaust - Polished Tips - D660-3950
Dinan 00-03 BMW M5 (E39) Free Flow Axleback Exhaust - Polished Tips - D660-3950
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Dinan 00-03 BMW M5 (E39) Free Flow Axleback Exhaust - Polished Tips - D660-3950

Exhaust, Mufflers & Tips Axle Back
Dinan
dnnD660-3950
In stock
$2,076.86 $2,418.95
Dinan's Free Flow Axle-Back Exhaust for the M5 provides improved flow and the resulting power gains without the excessive noise associated with typical aftermarket mufflers. The Dinan exhaust features a rigid and durable muffler case, manufactured from 20 gauge-304 stainless steel for optimum resistance to corrosion. Internally, the systems feature Dinan's Tuned Resonance Chamber Technology, providing the optimum balance between maximum power gains and a civilized, yet sporty exhaust note. The system also reduces weight substantially, weighing in at only 37.6 lbs. as compared to the stock system at 66 lbs. Dual 3-inch diameter polished stainless tips give the cars a tasteful performance look as well. Features & Benefits More Power: + 6 HP @ 6500 RPM + 5 LB-FT @ 6500 RPM (w/ software) Uses the factory brackets and hangers for a factory-like fitment Drone abatement technologies used to reduce cabin resonance Over 28 lbs. lighter than stock (37.6 lbs. vs. 34 lbs.) Dual 3" polished and laser engraved exhaust tips 100% 304 stainless steel construction Enjoyably louder, sportier sound Downloads & ResourcesInstallation Instructions (PDF)
Dinan 00-03 BMW M5 (E39) Free Flow Axleback Exhaust - Polished Tips - D660-3950
SKU: dnnD660-3950
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 for the M5 provides improved flow and the resulting power gains without the excessive noise associated with typical aftermarket mufflers. The Dinan exhaust features a rigid and durable muffler case, manufactured from 20 gauge-304 stainless steel for optimum resistance to corrosion. Internally, the systems feature Dinan's Tuned Resonance Chamber Technology, providing the optimum balance between maximum power gains and a civilized, yet sporty exhaust note. The system also reduces weight substantially, weighing in at only 37.6 lbs. as compared to the stock system at 66 lbs. Dual 3-inch diameter polished stainless tips give the cars a tasteful performance look as well.

Features & Benefits

  • More Power: + 6 HP @ 6500 RPM + 5 LB-FT @ 6500 RPM (w/ software)
  • Uses the factory brackets and hangers for a factory-like fitment
  • Drone abatement technologies used to reduce cabin resonance
  • Over 28 lbs. lighter than stock (37.6 lbs. vs. 34 lbs.)
  • Dual 3" polished and laser engraved exhaust tips
  • 100% 304 stainless steel construction
  • Enjoyably louder, sportier sound

Downloads & Resources

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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.

Special Order Items:
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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To start the return process, please e-mail sales@allianceracing.com

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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