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  • Flowmaster 05-09 Ford Mustang V6 American Thunder Axle-Back Exhaust System - 17421
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Flowmaster 05-09 Ford Mustang V6 American Thunder Axle-Back Exhaust System - 17421
Flowmaster 05-09 Ford Mustang V6 American Thunder Axle-Back Exhaust System - 17421
Flowmaster 05-09 Ford Mustang V6 American Thunder Axle-Back Exhaust System - 17421
Flowmaster 05-09 Ford Mustang V6 American Thunder Axle-Back Exhaust System - 17421
Flowmaster 05-09 Ford Mustang V6 American Thunder Axle-Back Exhaust System - 17421
Flowmaster 05-09 Ford Mustang V6 American Thunder Axle-Back Exhaust System - 17421
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Flowmaster 05-09 Ford Mustang V6 American Thunder Axle-Back Exhaust System - 17421

Exhaust, Mufflers & Tips Axle Back
Flowmaster
flo17421
Only 3 left
$429.62 $538.95
This American Thunder axle-back exhaust system is constructed from 16-gauge mandrel-bent aluminized steel and includes a pair of specially designed 60 Series™ performance muffler with the sound that goes hand in hand with the performance image of the Mustang. The muffler is finished off with large 4.00-inch polished stainless steel tips to fill out the exhaust cutouts in the rear valance for a muscular appearance that matches the sound. As an American Thunder® system, it delivers a moderate interior tone and exterior sound that is suited to the enthusiast who wants their performance to be heard. Like all Flowmaster® exhaust systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for easy installation. Note: Fits both coupes and convertibles. Fits 2005-2009 Ford Mustang with V6 engine, coupes and convertible models. Features & Benefits Includes Hangers and Hardware for an Easy Installation Mandrel bent 16-gauge Aluminized Steel Tubing Moderately Aggressive Exterior Exhaust Tone 4.00-inch Polished Stainless Steel Tip Dyno Tuned for Maximum Performance Uses the Factory Hanger Locations 60 Series Performance Muffler Easy Installation Downloads & Resources Installation Instructions (PDF) Warranty (PDF) Video File (WEBM)
Flowmaster 05-10 Dodge Dakota Force II Cat-Back Exhaust System - 17458
Flowmaster 05-10 Dodge Dakota Force II Cat-Back Exhaust System - 17458
$584.95 $466.40
Flowmaster 04-08 F-150 American Thunder Cat-Back Exhaust System - 17417
Flowmaster 04-08 F-150 American Thunder Cat-Back Exhaust System - 17417
$1,068.95 $852.11
Flowmaster 05-09 Ford Mustang V6 American Thunder Axle-Back Exhaust System - 17421
SKU: flo17421
Product Details

Everything You Need To Know

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

Product Info

This American Thunder axle-back exhaust system is constructed from 16-gauge mandrel-bent aluminized steel and includes a pair of specially designed 60 Series™ performance muffler with the sound that goes hand in hand with the performance image of the Mustang. The muffler is finished off with large 4.00-inch polished stainless steel tips to fill out the exhaust cutouts in the rear valance for a muscular appearance that matches the sound. As an American Thunder® system, it delivers a moderate interior tone and exterior sound that is suited to the enthusiast who wants their performance to be heard. Like all Flowmaster® exhaust systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for easy installation. Note: Fits both coupes and convertibles.

Fits 2005-2009 Ford Mustang with V6 engine, coupes and convertible models.

Features & Benefits

  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel bent 16-gauge Aluminized Steel Tubing
  • Moderately Aggressive Exterior Exhaust Tone
  • 4.00-inch Polished Stainless Steel Tip
  • Dyno Tuned for Maximum Performance
  • Uses the Factory Hanger Locations
  • 60 Series Performance Muffler
  • Easy Installation

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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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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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