$280.22
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Arrives: Dec 3 - 8
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Return policy: Extended holiday return window till Jan 31, 2021
For the 2020 holiday season, returnable items shipped between October 1 and December 31 can be returned until January 31, 2021. You may be charged a restocking fee up to 50% of item's price for used or damaged returns and up to 100% for materially different item.
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3-Year EXT - Automotive Parts ($275-300)

from Warrantech
  • Please note, protection plan details will be delivered by EMAIL ONLY, via AmazonSupport@Warrantech.com within 72 hours of purchase. Please print a copy of the email for your records.
  • Keeps your vehicle parts purchase protected after its manufacturer’s warranty expires, as per the terms and conditions found on the protection plan product page. Coverage and claim limits apply. See protection plan details below by clicking on the "Warranty"link.
  • Repair coverage begins the day after manufacturer’s warranty expiration, typically 1 year from purchase date.
  • Plan provides coverage for replacement of covered parts. Labor costs are not covered. Part failures that are a result of not performing the manufacturer’s specified care, maintenance and/or inspection services are not covered.
  • If a covered part cannot be replaced, you will be reimbursed with an Amazon gift card for up to the amount of your original product purchase price.

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Dynomax 39447 Stainless Steel Exhaust System

4.2 out of 5 stars 21 ratings

Price: $280.22 & FREE Shipping
Material Stainless Steel
Brand Dynomax
Item Dimensions LxWxH 52 x 14.75 x 10.5 inches

About this item

    This fits your .
  • Make sure this fits by entering your model number.
  • Stainless steel construction for lifelong protection
  • 100% welded design for maximum durability
  • Straight through design ensures unrestricted exhaust flow and reduces back pressure
  • CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
  • Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.
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New (4) from $280.22 + FREE Shipping

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Product information

Technical Details

Technical Specification

Warranty [PDF ]

Additional Information

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF 99 KB]

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Product description

DynoMax Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The 'Pure Unadulterated POWER' of DynoMax Ultra Flo Welded mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee. All Dynomax Performance Exhaust Systems bolt on for easy installation. Your vehicle's complete exhaust can be quickly and easily customized with an emissions-legal premium performance system from Dynomax.


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Customer reviews

4.2 out of 5 stars
4.2 out of 5
21 global ratings
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Top reviews from the United States

Reviewed in the United States on October 2, 2019
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Reviewed in the United States on August 27, 2020
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Reviewed in the United States on January 26, 2017
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Reviewed in the United States on December 28, 2019
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2 people found this helpful
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Reviewed in the United States on January 13, 2017
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Reviewed in the United States on December 30, 2014
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3 people found this helpful
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Reviewed in the United States on December 30, 2013
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2 people found this helpful
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Reviewed in the United States on November 3, 2013
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5 people found this helpful
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Top reviews from other countries

Amazon Customer
5.0 out of 5 stars Nice sound
Reviewed in Canada on September 13, 2018
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