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  • Flowmaster 05-12 Tacoma 4.0L American Thunder SS Cat-Back Exhaust System - 817432
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Flowmaster 05-12 Tacoma 4.0L American Thunder SS Cat-Back Exhaust System - 817432
Flowmaster 05-12 Tacoma 4.0L American Thunder SS Cat-Back Exhaust System - 817432
Flowmaster 05-12 Tacoma 4.0L American Thunder SS Cat-Back Exhaust System - 817432
Flowmaster 05-12 Tacoma 4.0L American Thunder SS Cat-Back Exhaust System - 817432
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Flowmaster 05-12 Tacoma 4.0L American Thunder SS Cat-Back Exhaust System - 817432

Exhaust, Mufflers & Tips Catback
Flowmaster
flo817432
Special order
September 23, 2026
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$807.26 $1,012.95
This American Thunder® Cat-back system is designed for the 2005-2012 Toyota Tacoma with 4.0L engine. The system is constructed entirely of 409S stainless steel for long-lasting durability. The 2.50-inch mandrel bent system connects to the back of the factory catalytic converter assembly using the supplied flanged inlet pipe. It then flows into a Super 50™ Series performance muffler and exits into dual 2.50-inch stainless steel tailpipes, which exit on both sides of the vehicle behind the rear tires. The tailpipes are finished off with large 3.00-inch polished stainless tips embossed with the Flowmaster® logo. As an American Thunder system, it provides improved horsepower and torque along with a moderate performance sound level both inside and outside of the vehicle. Includes instructions and all necessary hardware for an easy bolt-on installation you can do at home and is covered by our Lifetime Limited Warranty. Note: Does NOT fit standard cab or X-Runner models. Fits 2005-2012 Toyota Tacoma with 4.0L engine, fits 2/4 wheel drive models. Does not fit standard cab or X-Runner models. Features & Benefits Includes all Necessary Parts and Detailed Instructions Attaches Directly to Factory Catalytic Convertor Dual 3.00-inch Polished Stainless Steel Tips Super 50 Series Performance Muffler Dyno...
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Flowmaster 05-12 Tacoma 4.0L American Thunder SS Cat-Back Exhaust System - 817432
SKU: flo817432
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® Cat-back system is designed for the 2005-2012 Toyota Tacoma with 4.0L engine. The system is constructed entirely of 409S stainless steel for long-lasting durability. The 2.50-inch mandrel bent system connects to the back of the factory catalytic converter assembly using the supplied flanged inlet pipe. It then flows into a Super 50™ Series performance muffler and exits into dual 2.50-inch stainless steel tailpipes, which exit on both sides of the vehicle behind the rear tires. The tailpipes are finished off with large 3.00-inch polished stainless tips embossed with the Flowmaster® logo. As an American Thunder system, it provides improved horsepower and torque along with a moderate performance sound level both inside and outside of the vehicle. Includes instructions and all necessary hardware for an easy bolt-on installation you can do at home and is covered by our Lifetime Limited Warranty. Note: Does NOT fit standard cab or X-Runner models.

Fits 2005-2012 Toyota Tacoma with 4.0L engine, fits 2/4 wheel drive models. Does not fit standard cab or X-Runner models.

Features & Benefits

  • Includes all Necessary Parts and Detailed Instructions
  • Attaches Directly to Factory Catalytic Convertor
  • Dual 3.00-inch Polished Stainless Steel Tips
  • Super 50 Series Performance Muffler
  • Dyno Tuned For Maximum Performance
  • Uses the Factory Hanger Locations
  • Clears the Factory Spare Tire
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Delta Flow Technology
  • Easy Installation
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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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