Flowmaster 68-74 Chev. Nova, V8, Header-back, Super 44 Series Mufflers, Mandrel B
Flowmaster 68-74 Chev. Nova, V8, Header-back, Super 44 Series Mufflers, Mandrel B
Out of stock
Need this part?
This item is currently unavailable. Ask us about availability or help finding a suitable replacement.
Shipping & returns
This selection is unavailable. Ask us to confirm availability and timing.
Shipping details
In-stock orders are processed within 48 hours; transit time is additional.
International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.
Read the shipping policyReturns
Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
Read the full return policyReturn details & how to start
Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.
Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.
Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.
For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Specifications
Product details shared across all variants.
- Product type
- Exhaust System Kit
- Category
- Motor Vehicle Exhaust
- Shipping dimensions (L × W × H)
- Shipping weight
- 97.7 lb
- Barcode
- 700042025626
Billable shipping weight; may include dimensional weight.
Header-back System 409S -Dual Rear Exit - American Thunder® - Moderate/Aggressive
Application Summary
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
| Inlet Diameter (in) | 2.5 | Muffler Part Number | Kit Only |
|---|---|---|---|
| 2WD/4WD | 2WD | Exhaust Series | American Thunder® |
| Exit Position | Dual Rear Exit | Heat Shield | No |
| Muffler Quantity | 2 | Muffler Series | Super 44 Series |
| Outlet Diameter (in) | 2.5 | Single Dual | Single |
| Sound Level | Moderate/Aggressive Sound | System Type | Header-back System |
| Tubing Diameter (in) | 2.5 | Material | Stainless Steel |
