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CSP2026

Flowmaster 817664 - Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Aggressive Sound

Flowmaster  |  SKU: FLO-817664
Sale price $1,29995 Regular price $1,46295

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Flowmaster 817664 - Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Aggressive Sound

Exhaust System - American Thunder - Cat-Back - 2.5 in Tailpipe - 3.5 in Tips - Stainless - Natural - Toyota Fullsize Truck 2009-21 - Kit

American Thunder Cat Back Exhaust System; Dual; Dual Rear Same Side Exit; 2.5 in. Tubing; 40 Series Big Block Mufflers; 3.5 in. Pol. Stainless Steel Tips;

The American Thunder(R) cat-back exhaust system for 2009-2021 Toyota Tundra trucks with the 4.6L, 4.7L or 5.7L engine is perfect for the person looking for an deep aggressive exterior tone with a mellow growl inside the truck and all of the performance benefits you expect from Flowmaster(R). This bolt-on emissions-legal system features all stainless steel construction, a specially designed dual inlet Super 40(R) Series muffler flowing into dual 2.50-inch mandrel-bent tailpipes for maximum performance with a deep tone. The kit comes with two sets of final pipes for either a dual out the back look or dual out behind the rear tires, which is beneficial for towing. The tailpipes are finished off with a pair of 3.50-inch double wall polished stainless steel tips. The system includes all necessary parts and hardware for easy at home installation. Note: Fits 2/4 wheel drive. Does not fit regular cab/short bed or double cab/long bed models. Only fits 2009 models built after 08/2008.

  • Large 3.50-inch Polished 304 Stainless Steel Tips
  • Side Exit Tailpipes Ideal for Towing Applications
  • Mandrel-bent Stainless Steel Construction
  • Super 40 Series Performance Muffler
  • Deep Aggressive Performance Tone
  • Uses the Factory Hanger Locations
  • Multiple Exit Styles Provided in Kit
  • Includes all Necessary Hardware
  • Clears the Factory Spare Tire
  • Lifetime Limited Warranty
  • Easy Installation
Brand: Flowmaster
CARB (California) Compliant: Yes
Catalytic Converter Included: No
Catalytic Converter Quantity: 0
Category: Exhaust
Clamping Type: Flat Band
Clamps Included: Yes
Drive: 4WD
Drive: 2WD
Emission Code: 5
Exhaust Series: American Thunder
Exhaust Tip Color: Silver
Exhaust Tip Connection: Clamp-On
Exhaust Tip Cut: Angled
Exhaust Tip Diameter: 3.50
Exhaust Tip Edge: Angle Cut
Exhaust Tip Finish: Polished
Exhaust Tip Intercooled: No
Exhaust Tip Length: 13.00
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
Heat Shield Included: No
Inlet Diameter: 2.50
Inlet Type: Flanged
Main Piping Diameter: 2.50
Mounting Bracket Included: Yes
Muffler Body Height: 5.00
Muffler Body Length: 13.25
Muffler Body Material: 409 Stainless Steel
Muffler Body Shape: Oval
Muffler Body Width: 12.00
Muffler Finish: Black High-Temperature Paint Finish
Muffler Flanged Inlet: No
Muffler Flanged Outlet: No
Muffler Included: Yes
Muffler Inlet Connection: Slip-Fit
Muffler Inlet Inside Diameter: 2.50
Muffler Inlet Outside Diameter: 2.63
Muffler Outlet Connection: Slip-Fit
Muffler Outlet Quantity: 2
Muffler Part Number: Kit Only
Muffler Quantity: 1
Muffler Series: Super 40 Series
Muffler Type: Chambered
part type: Exhaust System
Pipe Color: Silver
Pipe Material: 409 Stainless Steel
Product Type: Exhaust System
Sound Level: Aggressive
Spring Bolt Kit Included: No
Sub Category: Exhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter: 2.50
Tail Pipe Quantity: 2
Tail Pipe Quantity: Dual
Tail Pipe Tapered Outlet: No
Type: Cat-Back
Valve Included: No
Valve Type: Not Applicable
Warning: California Proposition 65

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