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  • Flowmaster 15-16 Charger R/T / 15-23 CHRY 300 5.7L American Thunder Cat-Back Exhaust System - 817658
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Flowmaster 15-16 Charger R/T / 15-23 CHRY 300 5.7L American Thunder Cat-Back Exhaust System - 817658
Flowmaster 15-16 Charger R/T / 15-23 CHRY 300 5.7L American Thunder Cat-Back Exhaust System - 817658
Flowmaster 15-16 Charger R/T / 15-23 CHRY 300 5.7L American Thunder Cat-Back Exhaust System - 817658
Flowmaster 15-16 Charger R/T / 15-23 CHRY 300 5.7L American Thunder Cat-Back Exhaust System - 817658
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Load image into Gallery viewer, Flowmaster 15-16 Charger R/T / 15-23 CHRY 300 5.7L American Thunder Cat-Back Exhaust System - 817658
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Flowmaster 15-16 Charger R/T / 15-23 CHRY 300 5.7L American Thunder Cat-Back Exhaust System - 817658

Exhaust, Mufflers & Tips Catback
Flowmaster
flo817658
Special order
September 23, 2026
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$1,121.21 $1,406.95
The Flowmaster American Thunder® Cat-back exhaust system for the 2015-2016 Dodge Charger R/T and 2015-2023 Chrysler 300 with the 5.7L Hemi engine is perfect for the person looking for an aggressive exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster®. This bolt-on 409S stainless steel system features a pair of Super 44™ Series mufflers for a deep, aggressive sound. The system uses our dual 2.50-inch Scavenger Series® X-Pipe and mandrel-bent tubing for maximum performance and a deep performance tone. The system is finished off with 2.50-inch stainless steel tips that exit within the factory exhaust bezels located in the rear bumper valence. Designed for an easy fit, this system includes all necessary parts and hardware for installation and includes our Lifetime Limited Warranty. Notes: Does NOT fit Charger Pursuit models identified by round exhaust cutouts without factory exhaust bezels in the rear valance. Does NOT fit Charger Pursuit models identified by round exhaust cutouts without factory exhaust bezels in the rear valance. Features & Benefits Exclusive Scavenger Series Cross-over X-Pipe Mandrel-bent 409 Stainless Steel Tubing Dyno Tuned For Maximum Performance Uses the Factory Hanger Locations All Stainless Steel Construction Super 44 Performance...
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Flowmaster 70-73 Corvette 350 CM-Back Force II Cat-Back SS Exhaust System - 817659
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Flowmaster 15-16 Charger R/T / 15-23 CHRY 300 5.7L American Thunder Cat-Back Exhaust System - 817658
SKU: flo817658
Product Details

Everything You Need To Know

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

Product Info

The Flowmaster American Thunder® Cat-back exhaust system for the 2015-2016 Dodge Charger R/T and 2015-2023 Chrysler 300 with the 5.7L Hemi engine is perfect for the person looking for an aggressive exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster®. This bolt-on 409S stainless steel system features a pair of Super 44™ Series mufflers for a deep, aggressive sound. The system uses our dual 2.50-inch Scavenger Series® X-Pipe and mandrel-bent tubing for maximum performance and a deep performance tone. The system is finished off with 2.50-inch stainless steel tips that exit within the factory exhaust bezels located in the rear bumper valence. Designed for an easy fit, this system includes all necessary parts and hardware for installation and includes our Lifetime Limited Warranty. Notes: Does NOT fit Charger Pursuit models identified by round exhaust cutouts without factory exhaust bezels in the rear valance.

Does NOT fit Charger Pursuit models identified by round exhaust cutouts without factory exhaust bezels in the rear valance.

Features & Benefits

  • Exclusive Scavenger Series Cross-over X-Pipe
  • Mandrel-bent 409 Stainless Steel Tubing
  • Dyno Tuned For Maximum Performance
  • Uses the Factory Hanger Locations
  • All Stainless Steel Construction
  • Super 44 Performance Mufflers
  • Lifetime Limited Warranty
  • Delta Flow Technology
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In Stock Items:
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.

Returns Policy

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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