Flowmaster
Flowmaster 64-66 Mustang V8 American Thunder SS Crossmember-Back Exhaust System
Why this price?
$1,249.95 is MSRP, the lowest price Flowmaster lets us list it at. Additionally, Pro members get $137.49 back on this part.
$1,249.95 − $137.49 = $1,112.46
Special Order
This part is still available to order. Once you place your order, we’ll submit it directly to Flowmaster, and they’ll ship it straight to you.
Delivery times can vary depending on the brand, so we can’t guarantee an exact arrival date. What we can guarantee is that we’ll stay on top of your order, monitor its progress, and keep you updated until it reaches your door.
Special-order items are typically not kept in stock by most retailers. By ordering through us, your order is placed directly with Flowmaster, assuring you get the part as quickly as possible.
Want to get an estimated delivery timeframe before ordering? Contact us through our contact page, and we’ll be happy to find out for you.
Not sure it fits? Read our tips.
Fitment tips
Fitment can come down to more than year, make and model. Sometimes the sub-model decides, so start with the fitment table below.
- Drive type. If your car is all-wheel drive, make sure the part is for all-wheel drive, not rear-wheel drive.
- Engine size. For engine parts, make sure the engine size on the product matches your engine.
- Transmission. Manual and automatic cars often take different parts.
- Body style. Sedan or hatch, two-door or four-door, cab and bed length on trucks.
Manufacturer data can sometimes have imperfections. Still not sure? We are happy to help.
Send us a message and we will confirm the fit.
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This American Thunder® Crossmember-Back exhaust system is designed for all 1964-1966 Ford Mustang hardtop coupes with a V8 engine. The system features a free-flowing 2.50-inch mandrel-bent stainless steel H-pipe flowing into a pair of 40 Series Delta Flow® mufflers for maximum power and that deep iconic sound. The 2.50-inch mandrel-bent stainless tailpipes tuck up high and are finished off with a pair of long 2.50-inch 304 stainless steel tips for that show car look. Includes all necessary parts, hardware and easy to follow instructions and is covered by our Lifetime Limited Warranty. Note: Does Not fit GT models or convertibles.
- Includes Hangers and Hardware for an Easy Installation
- Mandrel-bent 16-gauge Stainless Steel Tubing
- 40 Series Delta Flow Performance Mufflers
- Long Polished Stainless Steel Tips
- Includes Built-in "H" Balance Pipe
- Moderate Exterior Exhaust Tone
- Lifetime Limited Warranty
- Crossmember-Back System
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1964-1966 | Ford | Mustang | Base |
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