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Flowmaster 817409 American Thunder Exhaust Kit, 1968-72 GM A-Body

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#378817409

Flowmaster 817409 American Thunder Exhaust Kit, 1968-72 GM A-Body

Name: Flowmaster 817409 American Thunder Exhaust Kit, 1968-72 GM A-Body
Brand: Flowmaster
SKU: 378817409
Price: 1117.95 USD
Availability: InStock

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$1,117.95

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$1,210.95

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Product Summary

Header-Back Exhaust System Type, Dual Single or Dual

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Key Specs

MFG. Part #	817409
Exhaust System Type	Header-Back
Single or Dual	Dual
Exhaust Tubing Diameter	2-1/2 Inch
Exhaust System Kit Type	Direct Fit

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Need To Know

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855.313.9176

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Flowmaster 817409 Details

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

Mandrel bent 16 gauge stainless steel tubing
Aggressive Sound Exterior Exhaust Tone
Includes hangers and hardware for easy installation
Header-back System

Application

1968-1969 Buick GS 350
1968-1969 Buick GS 400
1968-1971 Oldsmobile 442
1970-1972 Buick GS 455
1970-1972 Buick GS
1968-1972 Buick Skylark
1968-1972 Chevrolet Chevelle
1968-1972 Oldsmobile Cutlass
1968-1972 Pontiac Grand Prix
1968-1972 Pontiac GTO
1968-1972 Pontiac LeMans

Charts

Installation Instructions (PDF)

Guides & Documents

Exhaust System Kits Installation Instructions (378817409)

CA Prop 65

Flowmaster 817409 Specifications

KEY SPECS
MFG. Part #	817409
Brand	Flowmaster
Exhaust System Type	Header-Back
Single or Dual	Dual
Exhaust Tubing Diameter	2-1/2 Inch
Exhaust System Kit Type	Direct Fit

GENERAL
Exhaust Exit	Dual Split Rear
Sound Level	Aggressive
Muffler(s) Included	Yes
Muffler Quantity	2
Muffler Connections	Single Inlet \| Single Outlet
Drivetrain	2WD
Exhaust Tip Included	No
Exhaust Tip Quantity	0
Exhaust System Material	409S Stainless Steel
Exhaust System Finish	Natural
Exhaust Pipe Color	Natural
Muffler Series	Super 40 Series
Muffler Material	409 Stainless Steel
Muffler Color	Natural
Inlet Quantity	Dual
Inlet Size	2.50"
Outlet Size	2.50"
Tailpipe Diameter	2.5"
Catalytic Converter(s) Included	No
Hardware Included	Yes
Heat Shield	No
Sold in Quantity	Kit
GTIN Code	700042024056
Notes	Due to variations in different manufacturers headers, modifications to the length and or angles of the intermediate pipes may be required when connecting to the header collectors.
Material Type	Stainless Steel
Exit Location	Rear

Ratings & Reviews

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Fitment

1968 Chevy Bel Air

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Bel Air

402 Chevy Big Block V8

1968 Chevy Biscayne

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Biscayne

402 Chevy Big Block V8

1969-1973 Chevy Blazer

Gen 1 L14 Small Block Chevy

1969 Chevy Brookwood

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Brookwood

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1968-1969 Chevy C10

Gen 1 L14 Small Block Chevy

1970-1972 Chevy C10

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy C10

Gen 1 L14 Small Block Chevy

1983 Chevy C10

2-Piece Rear Main Chevy 350

1985 Chevy C10

2-Piece Rear Main Chevy 350

1968-1969 Chevy C10 Suburban

Gen 1 L14 Small Block Chevy

1970-1972 Chevy C10 Suburban

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy C10 Suburban

Gen 1 L14 Small Block Chevy

1983 Chevy C10 Suburban

2-Piece Rear Main Chevy 350

1985 Chevy C10 Suburban

2-Piece Rear Main Chevy 350

1968-1969 Chevy C20

Gen 1 L14 Small Block Chevy

1970-1972 Chevy C20

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy C20

Gen 1 L14 Small Block Chevy

1968-1969 Chevy C20 Suburban

Gen 1 L14 Small Block Chevy

1970-1972 Chevy C20 Suburban

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy C20 Suburban

Gen 1 L14 Small Block Chevy

1968-1969 Chevy C30

Gen 1 L14 Small Block Chevy

1970-1972 Chevy C30

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy C30

Gen 1 L14 Small Block Chevy

1969 Chevy Camaro

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Camaro

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy Camaro

Gen 1 L14 Small Block Chevy

1968-1969 Chevy Caprice

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Caprice

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy Caprice

Gen 1 L14 Small Block Chevy

1983 Chevy Caprice

2-Piece Rear Main Chevy 350

1985 Chevy Caprice

2-Piece Rear Main Chevy 350

1968-1969 Chevy Chevelle

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Chevelle

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy Chevelle

Gen 1 L14 Small Block Chevy

1968 Chevy Chevy II

Gen 1 L14 Small Block Chevy

1985 Chevy Corvette

2-Piece Rear Main Chevy 350

1968-1969 Chevy El Camino

Gen 1 L14 Small Block Chevy

1970-1972 Chevy El Camino

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy El Camino

Gen 1 L14 Small Block Chevy

1978-1979 Chevy El Camino

2-Piece Rear Main Chevy 350

1983 Chevy El Camino

2-Piece Rear Main Chevy 350

1969 Chevy Estate

Gen 1 L14 Small Block Chevy

1970 Chevy Estate

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1968-1969 Chevy G10 Van

Gen 1 L14 Small Block Chevy

1970 Chevy G10 Van

2-Piece Rear Main Chevy 350
Gen 1 L14 Small Block Chevy

1971-1973 Chevy G10 Van

Gen 1 L14 Small Block Chevy

1968-1973 Chevy G20 Van

Gen 1 L14 Small Block Chevy

1970 Chevy G30 Van

2-Piece Rear Main Chevy 350

1968-1969 Chevy Impala

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Impala

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy Impala

Gen 1 L14 Small Block Chevy

1983 Chevy Impala

2-Piece Rear Main Chevy 350

1985 Chevy Impala

2-Piece Rear Main Chevy 350

1968-1969 Chevy K10

Gen 1 L14 Small Block Chevy

1970-1972 Chevy K10

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy K10

Gen 1 L14 Small Block Chevy

1968-1969 Chevy K10 Suburban

Gen 1 L14 Small Block Chevy

1970-1972 Chevy K10 Suburban

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy K10 Suburban

Gen 1 L14 Small Block Chevy

1968-1969 Chevy K20

Gen 1 L14 Small Block Chevy

1970-1972 Chevy K20

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy K20

Gen 1 L14 Small Block Chevy

1968-1969 Chevy K20 Suburban

Gen 1 L14 Small Block Chevy

1970-1972 Chevy K20 Suburban

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy K20 Suburban

Gen 1 L14 Small Block Chevy

1968-1969 Chevy K30

Gen 1 L14 Small Block Chevy

1970-1972 Chevy K30

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy K30

Gen 1 L14 Small Block Chevy

1970-1974 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1983 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1985 Chevy K5 Blazer

2-Piece Rear Main Chevy 350

1969 Chevy Kingswood

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Kingswood

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1973 Chevy Laguna

Gen 1 L14 Small Block Chevy

1976 Chevy Laguna

2-Piece Rear Main Chevy 350

1973 Chevy Malibu

Gen 1 L14 Small Block Chevy

1970-1971 Chevy Monte Carlo

2-Piece Rear Main Chevy 350
402 Chevy Big Block V8

1972 Chevy Monte Carlo

402 Chevy Big Block V8

1973-1975 Chevy Monte Carlo

2-Piece Rear Main Chevy 350

1982-1983 Chevy Monte Carlo

2-Piece Rear Main Chevy 350

1969 Chevy Nova

Gen 1 L14 Small Block Chevy

1970 Chevy Nova

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1971-1973 Chevy Nova

Gen 1 L14 Small Block Chevy

1975 Chevy Nova

2-Piece Rear Main Chevy 350

1980-1983 Chevy P30

2-Piece Rear Main Chevy 350

1985 Chevy P30

2-Piece Rear Main Chevy 350

1968-1969 Chevy P30 Van

Gen 1 L14 Small Block Chevy

1970 Chevy P30 Van

2-Piece Rear Main Chevy 350

1972 Chevy P30 Van

402 Chevy Big Block V8

1973 Chevy P30 Van

Gen 1 L14 Small Block Chevy

1969 Chevy Townsman

Gen 1 L14 Small Block Chevy

1970-1972 Chevy Townsman

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy

1967 GMC C15/C1500 Suburban

2-Piece Rear Main Chevy 350

1980-1984 GMC C1500

2-Piece Rear Main Chevy 350

1980-1986 GMC C1500 Suburban

2-Piece Rear Main Chevy 350

1968-1972 GMC C25/C2500 Pickup

Gen 1 L14 Small Block Chevy

1968-1972 GMC C25/C2500 Suburban

Gen 1 L14 Small Block Chevy

1968-1972 GMC C35/C3500 Pickup

Gen 1 L14 Small Block Chevy

1978-1987 GMC Caballero

2-Piece Rear Main Chevy 350

1975-1978 GMC G15

2-Piece Rear Main Chevy 350

1967-1974 GMC G15/G1500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G1500

2-Piece Rear Main Chevy 350

1975-1978 GMC G25

2-Piece Rear Main Chevy 350

1967-1974 GMC G25/G2500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G2500

2-Piece Rear Main Chevy 350

1975-1978 GMC G35

2-Piece Rear Main Chevy 350

1967 GMC G35/G3500 Van

2-Piece Rear Main Chevy 350

1970-1974 GMC G35/G3500 Van

2-Piece Rear Main Chevy 350

1979-1986 GMC G3500

2-Piece Rear Main Chevy 350

1974-1977 GMC Jimmy

2-Piece Rear Main Chevy 350

1983-1984 GMC Jimmy

2-Piece Rear Main Chevy 350

1979-1984 GMC K1500

2-Piece Rear Main Chevy 350

1968-1972 GMC K25/K2500 Pickup

Gen 1 L14 Small Block Chevy

1968-1972 GMC K25/K2500 Suburban

Gen 1 L14 Small Block Chevy

1979-1984 GMC K2500

2-Piece Rear Main Chevy 350

1968-1972 GMC K35/K3500 Pickup

Gen 1 L14 Small Block Chevy

1971-1972 GMC Sprint

402 Chevy Big Block V8

1967 GMC Suburban

402 Chevy Big Block V8
Gen 1 L14 Small Block Chevy