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  • Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
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Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
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Load image into Gallery viewer, Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Load image into Gallery viewer, Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Load image into Gallery viewer, Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Load image into Gallery viewer, Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Load image into Gallery viewer, Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
Load image into Gallery viewer, Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
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Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979

Exhaust, Mufflers & Tips Catback
Flowmaster
flo817979
In stock
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$1,014.26 $1,181.95
Flowmaster introduces our new American Thunder stainless steel cat-back exhaust system for the 2021-2026 Ford F-150 with the 2.7L, 3.5L and 5.0L engines. This system uses a Super 40 series muffler for a deep powerful sound and increased performance. Maximum dyno gains of 11 HP and 10 LB.FT. at the rear wheels. Mandrel bent 409 stainless steel tubing is used for maximum exhaust flow and durability. The system has a 3.0-inch inlet pipe and dual 2.5-inch tailpipes with both side exit and rear exit options that allow you to customize the look of the kit. 3.5-inch polished stainless steel tips finish off the kit for a classic performance look. All of the necessary hardware is included and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty. 2021-2026 Ford f-150 Trucks with 2.7L, 3.5L Ecoboost, 3.5L Ti-VCT and 5.0L engines. Fits 2 & 4-wheel drive. Does not fit regular cab with 6.5' bed. Does not fit hybrid Powerboost models. Does not fit models with OEM active exhaust option. Features & Benefits Super 40 Series Performance Muffler Delivers a Deep and Aggressive Performance Tone Includes Both Rear and Side Exit Tailpipes so the Final Look can be...
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Flowmaster 67-72 GM Truck 4WD American Thunder Crossmember-Back Exhaust System - 817940
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Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System - 817979
SKU: flo817979
Product Details

Everything You Need To Know

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

Product Info

Flowmaster introduces our new American Thunder stainless steel cat-back exhaust system for the 2021-2026 Ford F-150 with the 2.7L, 3.5L and 5.0L engines. This system uses a Super 40 series muffler for a deep powerful sound and increased performance. Maximum dyno gains of 11 HP and 10 LB.FT. at the rear wheels. Mandrel bent 409 stainless steel tubing is used for maximum exhaust flow and durability. The system has a 3.0-inch inlet pipe and dual 2.5-inch tailpipes with both side exit and rear exit options that allow you to customize the look of the kit. 3.5-inch polished stainless steel tips finish off the kit for a classic performance look. All of the necessary hardware is included and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.

2021-2026 Ford f-150 Trucks with 2.7L, 3.5L Ecoboost, 3.5L Ti-VCT and 5.0L engines. Fits 2 & 4-wheel drive. Does not fit regular cab with 6.5' bed. Does not fit hybrid Powerboost models. Does not fit models with OEM active exhaust option.

Features & Benefits

  • Super 40 Series Performance Muffler Delivers a Deep and Aggressive Performance Tone
  • Includes Both Rear and Side Exit Tailpipes so the Final Look can be Customized
  • 3.50-Inch Polished Stainless Steel Tips add a Classic Performance Look
  • Delta Flow Technology Increases Performance and Reduces Drone
  • Maximum Dyno Gains of 11 HP and 10 LB.FT. at the Rear Wheels
  • Uses the Factory Hanger Locations for an Easy Installation
  • Stainless Steel Construction adds Durability
  • Mandrel-bent Tubing Maximizes Exhaust Flow
  • Clears the Factory Spare Tire
  • Lifetime Limited Warranty
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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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