First order? Use FIRSTORDER for 5% off.
×

Questions? E-mail us:

sales@allianceracing.com

0 My Cart: $0.00

Your cart is currently empty.

Continue shopping
Toggle menu
Alliance Racing
0
  • Home
  • Stainless Works
  • Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR
-5%
Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR
Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR
Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR
Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR
Click to zoom in
Load image into Gallery viewer, Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR
Load image into Gallery viewer, Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR
Load image into Gallery viewer, Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR
Load image into Gallery viewer, Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR
Buyer Confidence

Shop With Confidence

Clear availability, helpful support, and customer-first policies before you check out.

  • Competitive Pricing

    We will beat most prices!

  • Questions?

    Contact us at sales@allianceracing.com

  • Free Shipping

    Free shipping on orders over $300!

Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR

Exhaust, Mufflers & Tips Catback
Stainless Works
sswM12CB3HDR
Special order
August 16, 2026
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$1,705.25 $1,795.00
2011-14 Mustang GT/ 2011-2012 Shelby GT500 3" 304 SS Catback Dual Exhaust with retro chambered mufflers and mirror polished 304 SS slash cut conical double wall tips. Includes hangers and clamps and is designed to fit to Stainless Works Performance Connect headers which retains a full 3" system.
Stainless Works 2010-14 Ford F-150 Raptor 1-7/8in Primaries 3in High-Flow Cats X-Pipe - FTR11HCATSC
Stainless Works 2010-14 Ford F-150 Raptor 1-7/8in Primaries 3in High-Flow Cats X-Pipe - FTR11HCATSC
$2,750.00 $2,612.50
Stainless Works 2007-13 Chevy Silverado/GMC Sierra Headers 1-7/8in Primaries High-Flow Cats Y-Pipe - CT07HCATY
Stainless Works 2007-13 Chevy Silverado/GMC Sierra Headers 1-7/8in Primaries High-Flow Cats Y-Pipe - CT07HCATY
$2,550.00 $2,422.50
Stainless Works 2011-14 Mustang GT/2011-2012 Shelby GT500 3in Catback Retro Chambered Mufflers - M12CB3HDR
SKU: sswM12CB3HDR
Product Details

Everything You Need To Know

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

Product Info

2011-14 Mustang GT/ 2011-2012 Shelby GT500 3" 304 SS Catback Dual Exhaust with retro chambered mufflers and mirror polished 304 SS slash cut conical double wall tips. Includes hangers and clamps and is designed to fit to Stainless Works Performance Connect headers which retains a full 3" system.

Read More
Read Less

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.

Your cart

×