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  • Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
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Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
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Load image into Gallery viewer, Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
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Load image into Gallery viewer, Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
Load image into Gallery viewer, Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
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Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206

Exhaust, Mufflers & Tips Catback
Flowmaster
flo818206
In stock
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$1,501.40 $1,799.95
Flowmaster's® American Thunder® Cat-back exhaust system for the 2024 to 2026 GM 1500 trucks with the 6.2-liter engine is a great way to customize your Silverado or Sierra to your personality. This performance exhaust system fits both 2/4 Wheel drive models and is manufactured from 409 stainless steel for years of trouble-free service and performance. Features include a 3.50-inch inlet pipe leading into a specialty tuned 50 Series HD style muffler for great sound and maximum performance. This cat-back system has dual 2.5-inch mandrel-bent tailpipes that exit in the bumper cut-out locations, with custom quad exit 4.0-inch black ceramic tips for a great performance look. Included in this cat-back system is active valve control with an integrated turndown. This allows you to control the factory valve from the dash with the different drive modes for full control of your sound level. Run the valve closed in the Normal drive mode, or open the valve in Sport or Off-Road mode for maximum sound. Max dyno gains of 15 hp and 13 lb-ft at the rear wheels deliver power you can feel. These systems use all the factory hanger locations and connections for an easy installation that you can do at home....
Flowmaster 2.5 IN(O)/OUT(C) DELTA 40 SS Muffler - 842541
Flowmaster 2.5 IN(O)/OUT(C) DELTA 40 SS Muffler - 842541
$190.95 $151.55
Flowmaster 2.25 IN(O)/OUT(C) 50 Series DF SS Muffler - 842451
Flowmaster 2.25 IN(O)/OUT(C) 50 Series DF SS Muffler - 842451
$212.95 $169.49
Flowmaster 24-25 GM 1500 6.2L American Thunder Cat-Back Exhaust System - 818206
SKU: flo818206
Product Details

Everything You Need To Know

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

Product Info

Flowmaster's® American Thunder® Cat-back exhaust system for the 2024 to 2026 GM 1500 trucks with the 6.2-liter engine is a great way to customize your Silverado or Sierra to your personality. This performance exhaust system fits both 2/4 Wheel drive models and is manufactured from 409 stainless steel for years of trouble-free service and performance. Features include a 3.50-inch inlet pipe leading into a specialty tuned 50 Series HD style muffler for great sound and maximum performance. This cat-back system has dual 2.5-inch mandrel-bent tailpipes that exit in the bumper cut-out locations, with custom quad exit 4.0-inch black ceramic tips for a great performance look. Included in this cat-back system is active valve control with an integrated turndown. This allows you to control the factory valve from the dash with the different drive modes for full control of your sound level. Run the valve closed in the Normal drive mode, or open the valve in Sport or Off-Road mode for maximum sound. Max dyno gains of 15 hp and 13 lb-ft at the rear wheels deliver power you can feel. These systems use all the factory hanger locations and connections for an easy installation that you can do at home. Kit include installation instructions and all necessary hardware. Backed by Flowmaster's Lifetime Limited Warranty.

Only fits models with bumper exhaust bezels.

Features & Benefits

  • An tuned 50 Series HD style chambered muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow
  • 3.5 and 2.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • Kit includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • Tuned performance muffler with built in resonance chamber eliminates interior drone
  • Max increases of up to 15 hp and 13 lb-ft over the stock exhaust at the wheels
  • 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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