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  • Flowmaster 09-21 Toyota Tundra V8 American Thunder SS Cat-Back Exhaust System - 817664
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Flowmaster 09-21 Toyota Tundra V8 American Thunder SS Cat-Back Exhaust System - 817664
Flowmaster 09-21 Toyota Tundra V8 American Thunder SS Cat-Back Exhaust System - 817664
Flowmaster 09-21 Toyota Tundra V8 American Thunder SS Cat-Back Exhaust System - 817664
Flowmaster 09-21 Toyota Tundra V8 American Thunder SS Cat-Back Exhaust System - 817664
Flowmaster 09-21 Toyota Tundra V8 American Thunder SS Cat-Back Exhaust System - 817664
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Flowmaster 09-21 Toyota Tundra V8 American Thunder SS Cat-Back Exhaust System - 817664

Exhaust, Mufflers & Tips Catback
Flowmaster
flo817664
Only 1 left
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$1,166.06 $1,462.95
The American Thunder® cat-back exhaust system for 2009-2021 Toyota Tundra trucks with the 4.6L, 4.7L or 5.7L engine is perfect for the person looking for an deep aggressive exterior tone with a mellow growl inside the truck and all of the performance benefits you expect from Flowmaster®. This bolt-on emissions-legal system features all stainless steel construction, a specially designed dual inlet Super 40® Series muffler flowing into dual 2.50-inch mandrel-bent tailpipes for maximum performance with a deep tone. The kit comes with two sets of final pipes for either a dual out the back look or dual out behind the rear tires, which is beneficial for towing. The tailpipes are finished off with a pair of 3.50-inch double wall polished stainless steel tips. The system includes all necessary parts and hardware for easy at home installation. Note: Fits 2/4 wheel drive. Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008. Fits 2009-2021 Toyota Tundra 4.6L, 4.7L or 5.7L engine with 145-inch Wheelbase only. Note: Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008. Features & Benefits Large 3.50-inch Polished 304 Stainless Steel...
Flowmaster 62-67 Chevrolet Nova 2.5in. American Thunder Kit SS Crossmember-Back Exhaust System - 817673
Flowmaster 62-67 Chevrolet Nova 2.5in. American Thunder Kit SS Crossmember-Back Exhaust System - 817673
$1,406.95 $1,121.21
Flowmaster 14-16 Super DUTY 6.2L Force II Cat-Back SS Cat-Back Exhaust System - 817701
Flowmaster 14-16 Super DUTY 6.2L Force II Cat-Back SS Cat-Back Exhaust System - 817701
$1,518.95 $1,210.91
Flowmaster 09-21 Toyota Tundra V8 American Thunder SS Cat-Back Exhaust System - 817664
SKU: flo817664
Product Details

Everything You Need To Know

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

Product Info

The American Thunder® cat-back exhaust system for 2009-2021 Toyota Tundra trucks with the 4.6L, 4.7L or 5.7L engine is perfect for the person looking for an deep aggressive exterior tone with a mellow growl inside the truck and all of the performance benefits you expect from Flowmaster®. This bolt-on emissions-legal system features all stainless steel construction, a specially designed dual inlet Super 40® Series muffler flowing into dual 2.50-inch mandrel-bent tailpipes for maximum performance with a deep tone. The kit comes with two sets of final pipes for either a dual out the back look or dual out behind the rear tires, which is beneficial for towing. The tailpipes are finished off with a pair of 3.50-inch double wall polished stainless steel tips. The system includes all necessary parts and hardware for easy at home installation. Note: Fits 2/4 wheel drive. Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008.

Fits 2009-2021 Toyota Tundra 4.6L, 4.7L or 5.7L engine with 145-inch Wheelbase only. Note: Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008.

Features & Benefits

  • Large 3.50-inch Polished 304 Stainless Steel Tips
  • Side Exit Tailpipes Ideal for Towing Applications
  • Mandrel-bent Stainless Steel Construction
  • Multiple Exit Styles Provided in Kit
  • Super 40 Series Performance Muffler
  • Uses the Factory Hanger Locations
  • Deep Aggressive Performance Tone
  • Includes all Necessary Hardware
  • Clears the Factory Spare Tire
  • Lifetime Limited Warranty
  • Easy Installation
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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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