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Flowmaster 817585 American Thunder Crossmember-Back Exhaust System

(1967-1974 Dodge Dart; 1967-1969 Plymouth Barracuda Base; 1970-1974 Plymouth Duster; 1967-1974 Plymouth Valiant; 1971-1974 Plymouth Scamp)

Manufacturer

Picture for manufacturer Flowmaster

Part Number

817585
13 reviews
Sale Price

$1,299.95

Estimated ship date Sunday, November 22

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Product Details

The Flowmaster 817585 American Thunder Crossmember-Back Exhaust System delivers aggressive sound and performance gains for your vehicle. This premium cat-back exhaust system is engineered to improve horsepower, torque, and overall engine efficiency while providing the distinctive Flowmaster sound that enthusiasts demand.

Key Features:

  • Super 40 Series mufflers deliver an aggressive exterior exhaust note with moderate interior sound
  • Delta Flow technology uses a patented design to reduce backpressure while maintaining sound quality
  • Crossmember-back design includes all components from the crossmember rearward for complete installation
  • Mandrel-bent tubing ensures maximum flow and performance
  • Premium aluminized steel construction for long-lasting durability
  • Direct bolt-on installation with all necessary hardware included

Flowmaster's American Thunder series represents the perfect balance between performance and sound, making it ideal for truck and SUV owners who want to enhance their vehicle's exhaust note without excessive cabin drone. The Super 40 mufflers provide the classic Flowmaster aggressive tone while Delta Flow technology optimizes exhaust scavenging for measurable power gains.

Products specifications

Fits

1967-1974 Dodge Dart; 1967-1969 Plymouth Barracuda Base; 1970-1974 Plymouth Duster; 1967-1974 Plymouth Valiant; 1971-1974 Plymouth Scamp

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

Drive

2WD

Emission Code

5

Exhaust Series

American Thunder

Exhaust Tip Connection

Clamp-On

Exhaust Tip Quantity

Sold Separately

Exhaust Tip Quantity

0

Exhaust Tip Shape

Round

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

Weld-On

Mounting Bracket Included

Yes

Muffler (Left) Body Width

10.00

Muffler (Left) Type

Chambered

Muffler (Right) Type

Chambered

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 part number

Kit Only

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 / 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

Type

Crossmember-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

Customer service and ease of order placement with Autoplicity.com was everything is should have been. I had a question and my call was promptly answered and I was given great customer service not to mention their great pricing!

cool

I love simple, easy and fast, and ordering from you met this criteria. Thank you!

purchased two shocks for my truck, best price online , they were here within a week. I will definitely order from them again....thanks....

A happy customer returns again

First Order best price found online fast shipping

product details are well listed

so far so good

great price. here's to hoping for fast shipping.

This was an easy transaction, keep me notified thoughout the entire shipment. Price is what got my attention in the first place. I will be back for future needs.

Web interface seems a little clunky-----a lot of seemingly unnecessary scrolling.

Good price. So far so good

Very descriptive about each part. Website is easy to use.

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