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  • Flowmaster PRO 3.00 IN/3.00 OUT 12 in. Muffler - 13012100
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Flowmaster PRO 3.00 IN/3.00 OUT 12 in. Muffler - 13012100
Flowmaster PRO 3.00 IN/3.00 OUT 12 in. Muffler - 13012100
Flowmaster PRO 3.00 IN/3.00 OUT 12 in. Muffler - 13012100
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Flowmaster PRO 3.00 IN/3.00 OUT 12 in. Muffler - 13012100

Exhaust, Mufflers & Tips Muffler
Flowmaster
flo13012100
Special order
September 23, 2026
$208.96 $262.95
The Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the Pro Series mufflers consistently delivered performance that is equal to or surpasses open pipe systems, while dramatically reducing sound levels across the RPM range. Universal Muffler - Not a direct fit. Some adaptation required. Features & Benefits Durable fully welded 18 gauge stainless steel case High horsepower apps include diesels/RVs/trucks 409 Stainless Steel Internal Construction Race Proven Design Downloads & Resources Video File (WEBM) Warranty (PDF) Installation Instructions (PDF)
Flowmaster DBX 2.00 IN/2 .00 OUT Muffler - 12014310
Flowmaster DBX 2.00 IN/2 .00 OUT Muffler - 12014310
$276.95 $220.62
Flowmaster DBX 3.00 IN/3.00 OUT 14 in. SS Muffler - 13014310
Flowmaster DBX 3.00 IN/3.00 OUT 14 in. SS Muffler - 13014310
$276.95 $220.62
Flowmaster PRO 3.00 IN/3.00 OUT 12 in. Muffler - 13012100
SKU: flo13012100
Product Details

Everything You Need To Know

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

Product Info

The Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the Pro Series mufflers consistently delivered performance that is equal to or surpasses open pipe systems, while dramatically reducing sound levels across the RPM range.

Universal Muffler - Not a direct fit. Some adaptation required.

Features & Benefits

  • Durable fully welded 18 gauge stainless steel case
  • High horsepower apps include diesels/RVs/trucks
  • 409 Stainless Steel Internal Construction
  • Race Proven Design

Downloads & Resources

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Shipping on new purchases

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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