-6%

Flowmaster 817664 American Thunder Cat-Back Exhaust System

-6%

Flowmaster 817664 American Thunder Cat-Back Exhaust System
Flowmaster

|

#378817664

Flowmaster 817664 American Thunder Cat-Back Exhaust System

$1,299.95

/kit

Factory Shipped

$1,383.95

Save $84.00


Quantity

Need Help? Call to Order

Add to a list

Share

Select a vehicle to verify Fitment

Select Vehicle

Product Summary

Cat-Back Exhaust System Type, Dual Single or Dual

    See more details

    Key Specs

    MFG. Part #817664
    Exhaust System TypeCat-Back
    Single or DualDual
    Exhaust Tubing Diameter2-1/2 Inch
    Exhaust System Kit TypeDirect Fit
    See more specs

    Need To Know

    Need help?

    855.313.9176
    View the Help Center

    Quick and Easy Returns

    Return Policy

    Flowmaster 817664 Details

    The American Thunder® 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®. This bolt-on emissions-legal system features all stainless steel construction, a specially designed dual inlet Super 40® 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.

    Features:

  • 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

    • Application

    2009-2017 Toyota Tundra 345 CID/5.7L V8
    2010-2017 Toyota Tundra 4.6L V8

    Flowmaster 817664 Specifications

    KEY SPECS
    MFG. Part #817664
    BrandFlowmaster
    Exhaust System TypeCat-Back
    Single or DualDual
    Exhaust Tubing Diameter2-1/2 Inch
    Exhaust System Kit TypeDirect Fit
    GENERAL
    Exhaust ExitDual Split Rear/Split Side
    Sound LevelAggressive
    Muffler(s) IncludedYes
    Muffler Quantity2
    Muffler ConnectionsDual Inlet | Dual Outlet
    DrivetrainRWD/4WD
    Exhaust Tip IncludedYes
    Exhaust Tip Quantity2
    Exhaust Tip ShapeRound
    Exhaust Tip CutAngle
    Exhaust Tip Edge StyleRolled Edge | Double-Wall
    Exhaust Tip Size3.50"
    Exhaust Tip Length13"
    Exhaust System Material409S Stainless Steel
    Exhaust System FinishNatural
    Exhaust Pipe ColorNatural
    Muffler Series40 Series
    Muffler Material409 Stainless Steel
    Muffler ColorGrey
    Exhaust Tip Material304 Stainless Steel
    Exhaust Tip FinishPolished
    Exhaust Tip ColorNatural
    Inlet QuantityDual
    Inlet Size2.50"
    Outlet Size2.50"
    Tailpipe Diameter2.5"
    Catalytic Converter(s) IncludedNo
    Hardware IncludedYes
    Heat ShieldNo
    Sold in QuantityKit
    GTIN Code700042029952
    NotesFor use on 145 in. wheelbase models only.
    Material TypeStainless Steel
    Exit LocationRear

    Questions & Answers

    Be the first to ask a question.

    Customer Impersonation Script