Flowmaster 817158 1968-1974 Chevrolet Nova 2.5" Header-Back Exhaust System 409S for Sale

Price: $594

This item has been shown 2205 times.


Flowmaster 1968-1974 Chevy Nova V8 Exhaust System

Fits 1968 to 1974 Chevrolet Nova with a V8 engine.

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. 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

Flowmaster® Part #: 817158CategoryExhaust Systems / Kits - American Thunder®DescriptionHeader-back System 409S -Dual Rear Exit - American Thunder® - Moderate/AggressiveInstallation File Download File Here Kit Diagram View Kit Diagram Warranty File Download here MaterialStainless Steel
Product AttributesHeat ShieldNo2WD/4WD2WDExhaust SeriesAmerican Thunder®Exit PositionDual Rear ExitInlet Diameter (in)2.5MaterialStainless SteelTitleFlowmaster® 817158 Header-back System 409S -Dual Rear Exit - American Thunder® - Moderate/AggressiveMuffler Part NumberKit OnlyMuffler Quantity2Muffler SeriesSuper 44 SeriesOutlet Diameter (in)2.5Single DualSingleSound LevelModerate/Aggressive SoundSystem TypeHeader-back SystemTubing Diameter (in)2.5FREE 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.

Parts Search: