After an extensive research and development process USP is pleased to introduce the best Porsche exhaust manifold flanges to hit the market. These flanges were designed and optimized using Solidworks software to provide the best combination of durability, quality, and power. Unlike a traditional exhaust manifold flange, our flanges feature a unique transition so exhaust gases can seamless flow from the oval exhaust ports in the cylinder head to the round piping of the exhaust manifold. If you are looking to build exhaust manifolds for your Porsche look no further.

Features:

• ½” thick 304L Stainless Steel
• Fully CNC’d, no water jetting here!
• Integrated oval to round transition
• Countersunk for 1.5” schedule 10 piping for seamless joints
• Includes 1 pair (2 pieces)