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  • Borla CrateMuffler Big Block Chrysler/Dodge/Plymouth (Mopar) Offset/Offset 14inx4.35inx9in Muffler - 400940
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Borla CrateMuffler Big Block Chrysler/Dodge/Plymouth (Mopar) Offset/Offset 14inx4.35inx9in Muffler - 400940
Borla CrateMuffler Big Block Chrysler/Dodge/Plymouth (Mopar) Offset/Offset 14inx4.35inx9in Muffler - 400940
Borla CrateMuffler Big Block Chrysler/Dodge/Plymouth (Mopar) Offset/Offset 14inx4.35inx9in Muffler - 400940
Borla CrateMuffler Big Block Chrysler/Dodge/Plymouth (Mopar) Offset/Offset 14inx4.35inx9in Muffler - 400940
Borla CrateMuffler Big Block Chrysler/Dodge/Plymouth (Mopar) Offset/Offset 14inx4.35inx9in Muffler - 400940
Borla CrateMuffler Big Block Chrysler/Dodge/Plymouth (Mopar) Offset/Offset 14inx4.35inx9in Muffler - 400940
Borla CrateMuffler Big Block Chrysler/Dodge/Plymouth (Mopar) Offset/Offset 14inx4.35inx9in Muffler - 400940
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Borla CrateMuffler Big Block Chrysler/Dodge/Plymouth (Mopar) Offset/Offset 14inx4.35inx9in Muffler - 400940

Exhaust, Mufflers & Tips Muffler
Borla
bor400940
Special order
September 19, 2026
$365.33 $447.99
BORLA(r)'s CrateMuffler(r) is the world's first muffler purpose-built to optimize the sound & power of crate and custom built motors. The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. TThis muffler is tuned for the Chrysler/ Dodge/ Plymouth (Mopar) Big Block 396/ 402/ 427 CID V8 engine family. The directional design provides the classic S-Type sound and will dramatically reduce, or eliminate drone on specified applications. Add resonator 400938 to attain the Touring sound. Muffler dimensions 2.5" Offset Inlet/ 2.5" Center Outlet, 4.35" x 9.10" Oval, 14" Logn Body, 19" Overall Length. Built from premium T-304 stainless steel, superior to T-400 series (such as 409), to give you the absolute best in performance and durability. Precision computer numerical control (CNC) manufacturing ensures an accurate fit and best of all, BORLA(r) stands behind every CrateMuffler(r) with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. Fits models with Active Exhaust Features & Benefits 2.5" Offset Inlet/ 2.5" Center Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length When installed on cataloged applications, they will reduce, or eliminate drone Mufflers have directional flow. Outlet...
Borla 2020 Ford Explorer ST 3.0L V6 2.25in S-type Exhaust - Carbon Fiber Tips - 140820CF
Borla 2020 Ford Explorer ST 3.0L V6 2.25in S-type Exhaust - Carbon Fiber Tips - 140820CF
$2,799.99 $2,283.36
Borla Universal Resonator Option 2.75in Center/Center 5in Round x 10in - 401338
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Borla CrateMuffler Big Block Chrysler/Dodge/Plymouth (Mopar) Offset/Offset 14inx4.35inx9in Muffler - 400940
SKU: bor400940
Product Details

Everything You Need To Know

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

Product Info

BORLA(r)'s CrateMuffler(r) is the world's first muffler purpose-built to optimize the sound & power of crate and custom built motors. The mufflers are directional. The outlet can be identified by the mounting bracket welded to the endcap. TThis muffler is tuned for the Chrysler/ Dodge/ Plymouth (Mopar) Big Block 396/ 402/ 427 CID V8 engine family. The directional design provides the classic S-Type sound and will dramatically reduce, or eliminate drone on specified applications. Add resonator 400938 to attain the Touring sound. Muffler dimensions 2.5" Offset Inlet/ 2.5" Center Outlet, 4.35" x 9.10" Oval, 14" Logn Body, 19" Overall Length. Built from premium T-304 stainless steel, superior to T-400 series (such as 409), to give you the absolute best in performance and durability. Precision computer numerical control (CNC) manufacturing ensures an accurate fit and best of all, BORLA(r) stands behind every CrateMuffler(r) with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

Fits models with Active Exhaust

Features & Benefits

  • 2.5" Offset Inlet/ 2.5" Center Outlet, 4.35" x 9.10" Oval, 14" Long Body, 19" Overall Length
  • When installed on cataloged applications, they will reduce, or eliminate drone
  • Mufflers have directional flow. Outlet end has mounting bracket on it.
  • Add resonator 400938 to attain the Touring sound level
  • CrateMuffler(r)s are tuned for specific engines
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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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