Flowmaster 817585 1967-1974 Dart/Valiant 2.5" Header-Back Exhaust System 409S for Sale

Price: $779

This item has been shown 33 times.

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Flowmaster 1967-1974 Mopar A-Body Dodge Dart/Plymouth Valiant V8 Exhaust System

Fits 1967 to 1974 Mopar A-Body, fits Dodge Dart and Plymouth Valiant with a V8 engine including the convertible models.

For the person who is looking for a complete Header-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.

✓ Super 50 Sound Level
✓ Delta Flow Technology
✓ Improved Horsepower, Torque and Engine Efficiency
✓ Premium Quality

Flowmaster® Part #: 817585 CategoryExhaust Systems / Kits - American Thunder® DescriptionHeader-back System 409S - Dual Rear Exit - American Thunder® -Moderate/Aggressive Installation File Download File Here Warranty FileDownload here MaterialStainless Steel
Product Attributes Automotive Item GradeHigh Performance Part Tip QuantityNone Exhaust SeriesAmerican Thunder® Exit PositionDual Rear Exit Heat ShieldNo Inlet Diameter (in)2.5 MaterialStainless Steel TitleFlowmaster® 817585 Header-back System 409S - Dual Rear Exit - American Thunder® -Moderate/Aggressive Muffler Part NumberKit Only Muffler Quantity2 Muffler SeriesSuper 40 Series Outlet Diameter (in)2.5 Single DualDual Sound LevelModerate/Aggressive Sound Tubing Diameter (in)2.5 System TypeHeader-back System 2WD/4WD2WD FREE FLOWMASTER T-SHIRT! PLEASE LET US KNOW WHAT SIZE YOU WANT. Store Policies Our Shipping Policy

We ship all of our products within 24 hours of cleared payment. Most orders shipped out of the country are shipped with United States Postal Service unless the item is too heavy and then UPS will be used. We will combine shipping orders.

Our Returns Policy

You may return your part or product within 90 days after placing your order. All returns must include the original packaging. All items must be returned in a shipping box to protect the orginal productbox and contents. PLEASE DO NOT USE THE PRODUCT BOX AS ITS SHIPPING BOX. Any items damaged because of incorrect installation will not be refunded. All returns must include a copy of your packing slip, order number, or RMA number so we can identify your order. Please pack your return securely in the original box or package.


Refunds will be credited within1 to3 business days of receiving the return. When we've received and processed the return, we will refund for the amount you paid for the item(s), plus any applicable sales tax.

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