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Home / Exhaust / Catback / Flowmaster 67-74 Mopar A-BODY 2.50in. American Thunder SS Crossmember-Back Exhaust System
Flowmaster 67-74 Mopar A-BODY 2.50in. American Thunder SS Crossmember-Back Exhaust SystemRepresentative image
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Flowmaster

Flowmaster 67-74 Mopar A-BODY 2.50in. American Thunder SS Crossmember-Back Exhaust System

PART 817585CATEGORY Catback
$1,299.95
MSRP $1,462.95You save $163.00
$1,299.95
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Product description

Fits 1967-1974 Mopar A-Body cars with V8 engine. - Aggressive to moderate sound

Flowmaster American Thunder Crossmember-Back Exhaust System

Features

Improved Horsepower, Torque and Engine Efficiency

Delta Flow Technology

Super 40 Sound Level

Premium Quality

Manufacturer notes

Fits 1967-1974 Mopar A-Body, such as Dodge Dart, Demon, Plymouth Barracuda, Duster, Valiant with V8 engine. Including convertibles.

Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Catback
UPC / barcode
700042027484
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
No
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No
More manufacturer information

Other product descriptions

Flowmaster 67-74 Mopar A-BODY 2.50in. American Thunder SS Crossmember-Back Exhaust System

6774 MOPAR ABODY 250 AMT 409S

SYS 67-74 MOPAR A-BO

About the manufacturer

For the person who is looking for a complete Crossmember-Back dual exhaust system with a performance sound. This system is mandrel bent for maximum performance and includes specially selected mufflers. American Thunder 2.5 in. systems generally deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The sound level will depend greatly on the engine and level of modification. 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.

Additional manufacturer information

SYS 67-74 MO

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