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
  • Flowmaster
  • Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
-14%
Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Click to zoom in
Load image into Gallery viewer, Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Load image into Gallery viewer, Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Load image into Gallery viewer, Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Load image into Gallery viewer, Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Load image into Gallery viewer, Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Load image into Gallery viewer, Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Load image into Gallery viewer, Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Load image into Gallery viewer, Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
Load image into Gallery viewer, Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
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!

Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112

Exhaust, Mufflers & Tips Catback
Flowmaster
flo818112
In stock
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$1,014.26 $1,181.95
This Flowmaster® Outlaw® Cat-back exhaust system for the 2020-2026 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L gas engine, is perfect if you are looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster®. Maximum increases of up to 9 hp and 9 lb.ft. over the stock exhaust at the rear wheels. Designed for the Crew Cab, Standard Bed (6.5 ft.) models only, this bolt-on, emissions-legal system features a stainless steel Outlaw series muffler and large dual 3.00-inch 409 stainless steel mandrel-bent tailpipes that can be configured to exit either dual straight out the back, or dual out the sides behind the rear wheels which is best suited for towing applications. The system is finished off with polished 4.00-inch stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Fits Crew Cab with 6.5-foot bed length, 159-inch wheelbase only. Will not fit models with 5th wheel tow hitch installed. Features & Benefits 3.50-inch and 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability...
Flowmaster 21-25 Ford Bronco 2.3/2.7 Outlaw Cat-Back Exhaust System - 818101
Flowmaster 21-25 Ford Bronco 2.3/2.7 Outlaw Cat-Back Exhaust System - 818101
$956.95 $821.06
Flowmaster 21-25 Tahoe/Yukon 5.3L Force II Cat-Back Exhaust System - 817949
Flowmaster 21-25 Tahoe/Yukon 5.3L Force II Cat-Back Exhaust System - 817949
$877.95 $753.44
Flowmaster 20-25 GM 2500HD 6.6L CCB Outlaw Cat-Back Exhaust System - 818112
SKU: flo818112
Product Details

Everything You Need To Know

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

Product Info

This Flowmaster® Outlaw® Cat-back exhaust system for the 2020-2026 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L gas engine, is perfect if you are looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster®. Maximum increases of up to 9 hp and 9 lb.ft. over the stock exhaust at the rear wheels. Designed for the Crew Cab, Standard Bed (6.5 ft.) models only, this bolt-on, emissions-legal system features a stainless steel Outlaw series muffler and large dual 3.00-inch 409 stainless steel mandrel-bent tailpipes that can be configured to exit either dual straight out the back, or dual out the sides behind the rear wheels which is best suited for towing applications. The system is finished off with polished 4.00-inch stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

Fits Crew Cab with 6.5-foot bed length, 159-inch wheelbase only. Will not fit models with 5th wheel tow hitch installed.

Features & Benefits

  • 3.50-inch and 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • Super 10 Series performance muffler delivers a deep, aggressive performance tone and improves exhaust flow
  • Includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • Can be configured to exit straight out the rear or out the side depending on preference
  • Max increases of up to 9 hp and 9 lb.ft. over the stock exhaust at the rear wheels
  • Dual 4.00-inch polished stainless steel tips add a custom look
  • Backed by Flowmaster’s Lifetime Limited Warranty
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

×