Upgrade your 1964-1966 Mustang 289 or 302 with the Pypes DFM12S Downpipes. These mandrel-bent downpipes are constructed from durable 16-gauge stainless steel for a long-lasting performance improvement. The downpipes connect directly to your factory cast iron manifolds and terminate at the transmission crossmember (some applications may require trimming for length).
Key Features:
- Mandrel-Bent for Improved Exhaust Flow
- Constructed from 16-Gauge Stainless Steel
- Easy Installation (Connects to Factory Manifolds)
- Fits 1964-1966 Mustang 289/302 Models
- Lifetime Warranty
Does Not Fit 289 K-Code (HI-PO) Engines
Order your Pypes DFM12S Downpipes today for a cost-effective way to enhance your Mustang's exhaust system!
Applications:
- 1964 Ford Mustang
- 1965 Ford Mustang
- 1966 Ford Mustang
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

