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Flowmaster 817202 American Thunder Crossmember-Back Dual Exhaust System

(Chevrolet Malibu 1964-67, Chevelle 1964-67, El Camino 1964-67; Pontiac GTO 1964-67, Grand Prix 1964-66, LeMans 1964-67, Tempest 1963-67 + 8 more models)

Manufacturer

Part Number

817202
Sale Price

$1,299.95

1 left at this price

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Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Flowmaster American Thunder Crossmember-Back Exhaust System delivers an aggressive exhaust tone and enhanced performance for high-horsepower applications. This true dual exhaust system features mandrel-bent 16-gauge stainless steel tubing for maximum exhaust flow and durability.

Key Features:

  • True dual crossmember-back exhaust configuration for maximum performance
  • Super 40 Series mufflers produce a deep, powerful exhaust note with aggressive exterior sound
  • H-pipe crossover design balances exhaust pulses for maximum power output and deep tone
  • Large 3.00-inch diameter tubing supports high-horsepower engines
  • Mandrel-bent 16-gauge stainless steel construction ensures smooth exhaust flow and long-term durability
  • Includes all necessary hangers and mounting hardware for straightforward installation
  • Backed by Flowmaster's Lifetime Limited Warranty

The American Thunder series combines Flowmaster's legendary Super 40 muffler technology with precision-engineered tubing for an exhaust system that delivers both sound and performance. The H-pipe crossover design improves scavenging efficiency while creating the deep, throaty tone Flowmaster is known for.

Products specifications

Fits

Chevrolet Malibu 1964-67, Chevelle 1964-67, El Camino 1964-67; Pontiac GTO 1964-67, Grand Prix 1964-66, LeMans 1964-67, Tempest 1963-67; Oldsmobile Cutlass Supreme 1967, Cutlass 1964-67, 442 1964-67, F85 1964-67, Vista Cruiser 1964-67 + 4 more models

Outlet Diameter

3.000 in.

Tip Diameter

3.000 in.

Inlet Inside Diameter

3.000 in.

Outlet Outside Diameter

3.000 in.

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

California Proposition 65 Chemical Name 2

Chromium (hexavalent compounds)

California Proposition 65 Chemical Name 1

Nickel (metallic)

California Proposition 65 Chemical Name

Nickel (Metallic)

California Proposition 65 Chemical Name

Chromium (hexavalent compounds)

System Type

Header Back

Heat Shield Attached

No

Material

Stainless Steel

Exit Position

Dual Side

Tubing Diameter

3.000 in.

Muffler Count

2

Tip Quantity

2

Tail Pipe Diameter

3.000 in.

Exhaust Type

Dual

Title

Flowmaster 817202 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound

Brand

Flowmaster

Catalytic Converter Quantity

0

Category

Exhaust

Clamping Type

Flat Band

Clamps Included

Yes

Drive

2WD

Emission Code

5

Exhaust Series

American Thunder

Exhaust Tip Quantity

0

Exhaust Tip Quantity

Sold Separately

Exhaust Tip Shape

Round

Exit Style

Dual Out Rear

Exit Style

Dual Out Side

Finish

Natural

Gasket Or Seal Included

No

Grade Type

Performance

Hangers Included

Yes

Heat Shield Included

No

Inlet Diameter

3.00

Inlet Type

Weld-On

Mounting Bracket Included

Yes

Muffler (Left) Body Width

10.00

Muffler (Left) Type

Chambered

Muffler (Right) Type

Chambered

Muffler Body Length

13.25

Muffler Body Material

409 Stainless Steel

Muffler Body Shape

Oval

Muffler Finish

Black High-Temperature Paint Finish

Muffler Flanged Inlet

No

Muffler Flanged Outlet

No

Muffler Inlet Connection

Slip-Fit

Muffler Outlet Connection

Slip-Fit

Muffler Outlet Quantity

1

Muffler Quantity

2

Muffler Series

Super 40 Series

Muffler Type

Chambered

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 Quantity

2

Tail Pipe Tapered Outlet

No

Type

Crossmember-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

1st purchase, but went well. Very quick shipping!

Quick and easy. Could have left or right side in description though. Other than that 1 phone call cleared up the left and right confusion and placed my order. Great service. I even used again for my rear Lateral arms I just purchased

Easy to navigate. Good pricing

good price---hope it ships quick---excited for my build

Found the part we've been searching for, for two years...

Wow what a deal on mu Subaru husky liner floor mats and low shipping thanks Autoplicity

1st time. OK

quick & easy

Easy and fair pricing.

great!

Autoplicity had the best price on the part I needed and was in stock. Easy ordering process and good correspondence.

tried to order a gasket with my exhaust pipe, shipping jumped12 just for gasket!! Not happening!!

So far so good. we will see when package arrives....

Fast shipping! Good prices! Will recommend to others

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