These mandrel bent downpipes are the only mandrel bent 2.5 in. downpipes to connect directly to your stock 351 standard manifolds via a clever ball socket and flange connection. They are very easy to install. Expect 5-8 extra horsepower because of the 2.5 in. and smooth mandrel bends.

These downpipes end right at the cross-member humps so they will easily connect to Pypes Part number SFM03 header back system without modifications. 5.8 Litre engines. Will fit any 64-69 Mustang with 351 Cleveland style manifolds.
Features:

• Mandrel Bent
• 16 Gauge Stainless Steel
• Clever Ball Socket And Flange Connection
• Very Easy To Install
• Expect 5-8 Extra Horsepower
• Downpipes End At The Crossmember Humps
• Easily Connect To The Pypes SFM03 Header Back System
• Lifetime Warranty
• 2.5 Inch Exhaust Manifold Downpipe
• Material: Stainless Steel
• Sold As: Pair