Description
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl
Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl

Flowmaster 818131 Exhaust System Kit American Thunder Cat Back System 409S Stainl

Vendor: Flowmaster
SKU: BDXN_818131
Availability: 4 In Stock
Product Type: Exhaust System Kit
$497.14
$508.79
$497.14
Up to 30% Off at Checkout on Select items*
Coupon Code: BOXING25
Why Pay More? We Price Match & Beat It.
Free Shipping within 2 to 6 Days*
  • TruckPoint: Truck Accessories - Car Parts - Canadian Auto Parts
Description
Description
x

Attributes

  • Sound Level: Aggressive/ Moderate
  • Type: Cat-Back
  • Exhaust Type: Single
  • Outlet Type: Single
  • Exit Position: Rear Exit
  • Material: Stainless Steel
  • Diameter (IN): 3 Inch
  • Includes Muffler: No
  • Muffler Brand: No Muffler
  • Includes Exhaust Tip: Yes
  • Exhaust Tip Style: 3 Inch Angle Cut
  • Exhaust Tip Material: Stainless Steel
  • Muffler Quantity: No Muffler
  • Includes Exhaust Pipe Muffler Delete: No
  • Muffler Configuration: No Muffler
  • Includes Hardware: Yes
  • Required Welding: No
  • Estimated Install Time (Hours): 2

Product Description

his Flowmaster® American Thunder® cat-back exhaust system for the 2021 to 2023 Jeep Gladiator trucks with the 3 Liter diesel engine is manufactured using durable 409 stainless steel throughout and features 3 Inch mandrel bent pipes for better exhaust gas flow. This system removes the muffler for an aggressive to moderate sound level and maximum performance, while also adding additional clearance when driving off-road. Maximum dyno gains of 3 Horsepower and 5 Pound Feet over stock were measured at the rear wheels. This system exits with a 3 Inch polished stainless steel tip for added style and a custom look. The system uses all the existing factory hanger locations and features installation instructions and all necessary hardware for an easy installation that you can do at home.

Features & Benefits

  • 3 Inch Mandrel Bent 16-Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow And Improves Durability
  • 3 Inch Polished Stainless Steel Tip Adds A Custom Look To The Truck
  • Features Complete Hardware And Factory Styled Hangers In The Stock Locations For An Easy Installation
  • Max Dyno Gains Of 3 Horsepower And 5 Pound Feet At The Rear Wheels
  • Limited Lifetime Warranty
Vehicle Fitment
Vehicle Fitment
x
Reviews
Reviews
x
Shipping Info
Shipping Info
x

SHIPPING & DELIVERY INFORMATION

Free Shipping

  • Eligibility: Orders over $99 in the USA & Canada.
  • Exceptions: Oversized or heavy items may incur extra fees (we’ll notify you before shipping).
  • Non-Eligible Areas: Vancouver Island, Yukon, NWT, Nunavut, Alaska, Hawaii, Puerto Rico & other U.S. territories.

Fast Shipping

  • Processing: Orders placed before 2 PM usually ship the same day.
  • Delivery Time: 2–5 business days via Purolator, FedEx, or Loomis Express.
  • Note: Delivery may take longer for distant warehouses or inter-warehouse transfers.

Shipping Limitations

  • No P.O. Boxes: Please provide a physical address.
  • Remote Areas: Free shipping excludes remote regions.

Special Orders & Backorders

  • May incur additional handling fees (discussed before shipping).
  • You may cancel if costs are too high for a full refund.

Warranty

  • For internal damage or missing parts, contact the manufacturer directly for faster service.
  • After 30 days, contact the manufacturer first — if unresolved, our team will assist.

Oversized Items

  • Shipped via LTL Freight (items over 150 lbs or large dimensions).
  • We’ll confirm any added costs before shipping.
  • Examples: Large Fridges, Oversize Toolbox or Tanks, Drop in Bed liners, Wheel to Wheel Step bar & Running Boards, Large Roof Cargo Box, Heavy Bumpers, RV Doors, Oversize, Roof Tent, Large gas tank, Oversize Grille Guards, Fifth Wheel Hitch, Sofa , Trailer Axle.
  • Special Handling Fees: Items like batteries may incur additional shipping fees.

Returns & Cancellations

In-Stock Items

  • Cancel before shipment; once shipped, standard return policy applies.
  • 20% restocking fee, excluding oversize item. Both way shipping is customer responsibility under store error.

Backorders / Special Orders

  • 5% restocking fee applies if canceled within 30 days.
  • Non-cancellable once shipped from the manufacturer.
  • Refused Deliveries: Refund minus shipping & restocking fees (excludes special orders).
  • Payment Disputes: Chargebacks do not cancel orders — please contact us directly.

Core Fees

  • Not included in the purchase price.
  • Refundable upon return of the old part in usable condition.

If you have any questions or need assistance, please reach out to us at 800.292.4173 or support@mytruckpoint.ca.

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