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Flowmaster 818167 American Thunder Cat-Back Exhaust System - with Dual Exit Options

(2023-2026 Chevrolet Colorado; 2023-2026 GMC Canyon)

Part of: Flowmaster American Thunder Cat-Back Exhaust System

Other options in this family: Flowmaster 17395 Flowmaster 817568 Flowmaster 17213 Flowmaster 818196 Flowmaster 818176

Manufacturer

Picture for manufacturer Flowmaster

Part Number

818167
9 reviews
Sale Price

$1,299.95

In Stock (8)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Flowmaster 818167 American Thunder Cat-Back Exhaust System delivers aggressive performance tone and proven power gains for your truck. This complete bolt-on system features a 50 Series Big Block performance muffler engineered to provide a deep, aggressive to moderate exhaust note while maximizing exhaust flow for improved performance.

Performance Benefits:

  • Delivers up to 13 horsepower and 15 lb-ft of torque gains over stock exhaust at the wheels
  • 50 Series Big Block muffler optimizes exhaust flow and scavenging for enhanced engine performance
  • 3.00-inch to dual 2.50-inch mandrel-bent tubing eliminates restrictions and maintains consistent flow

Construction and Durability:

  • 16-gauge 409 stainless steel mandrel-bent tubing resists corrosion and ensures long-lasting durability
  • Dual 3.50-inch polished stainless steel tips provide a premium custom appearance
  • Factory-style hangers mount in stock locations for secure, rattle-free installation

Installation Features:

  • Includes both dual rear exit and side exit tailpipe configurations for custom styling options
  • Complete hardware kit included for straightforward bolt-on installation
  • Direct fit design ensures proper clearance and fitment
  • Backed by Flowmaster's Lifetime Limited Warranty

This American Thunder system combines Flowmaster's legendary exhaust tone with measurable performance improvements and flexible installation options, making it an ideal upgrade for truck enthusiasts seeking both sound and power.

Products specifications

Fits

2023-2026 Chevrolet Colorado; 2023-2026 GMC Canyon

Brand

Flowmaster

Prop 65

Yes

California Proposition 65 Chemical Name

Nickel (Metallic)

California Proposition 65 Chemical Name

Chromium (hexavalent compounds)

Catalytic Converter Quantity

0

Category

Exhaust

Clamping Type

Flat Band

Clamps Included

Yes

Emission Code

5

Exhaust Series

American Thunder

Exhaust Tip Color

Silver

Exhaust Tip Connection

Clamp-On

Exhaust Tip Cut

Angled

Exhaust Tip Edge

Angle Cut

Exhaust Tip Finish

Polished

Exhaust Tip Intercooled

No

Exhaust Tip Material

304 Stainless Steel

Exhaust Tip Quantity

2

Exhaust Tip Resonated

No

Exhaust Tip Shape

Round

Exhaust Tip Wall

Double Wall

Exit Style

Dual Out Side

Exit Style

Dual Out Rear

Finish

Natural

Gasket Or Seal Included

No

Grade Type

Performance

Hangers Included

Yes

Inlet Type

Flanged

Mount Type

Uses Factory Hangers

Mounting Bracket Included

Yes

Muffler Body Material

409 Stainless Steel

Muffler Body Shape

Oval

Muffler Color

Black

Muffler Finish

Black High-Temperature Paint Finish

Muffler Flanged Inlet

No

Muffler Flanged Outlet

No

Muffler Inlet Connection

Slip-Fit

Muffler Inlet Location

Center

Muffler Outlet Connection

Slip-Fit

Muffler Outlet Location

Dual

Muffler Outlet Quantity

2

muffler part number

Kit Only

Muffler Quantity

1

Muffler Series

Outlaw

Muffler Type

Reflection

Pipe Color

Silver

Pipe Material

409 Stainless Steel

Product Type

Exhaust System

Sound Level

Aggressive / Moderate

Spring Bolt Kit Included

No

Sub Category

Exhaust and Tail Pipes

Tail Pipe Quantity

2

Tail Pipe Quantity

Dual

Tail Pipe Tapered Outlet

No

Tip Logo

Embossed

Tip Style

Double wall

Type

Cat-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

Can’t wait to receive the part. Great pricing all around, from part to shipping.

My shopping experience was easy and found what I was looking for. Was offered a promo code that saved me 20.00. Also, was givin on the website different shipping options.

Quick and fast

great pricing!

Easy to order on line.I received help from them and was helpfull.

Very fast shipping with standard rates. I was surprised!

Rt

Excellant price, good CS, and talked to a real person.

excellent! I hope the product is here in 2 days.

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