Stainless steel pair of exhaust manifolds 3-1 with flanged connection Aros Porsche 911 Gruppo 4 1977 PR911G4-CLTFL

Stainless steel pair of exhaust manifolds 3-1 with flanged connection Aros for Porsche 911 Gruppo 4 1977. The manifold is the starting point of the system: carefully designed pipe lengths and diameters improve cylinder scavenging and engine power delivery.

Aros is an Italian company specialising in exhaust systems: each component is made from stainless steel with TIG welds and laser-cut flanges, ensuring a precise fit using the vehicle's original mounting points.

Features

• Material: stainless steel AISI 304
• Diameter: 45/50 mm
• This product is compatible only with the following Aros rear exhaust sections:
• Silenced rear section with balance pipe with central duckbill outlet
• Silenced rear section with central duckbill outlet
• Unsilenced rear section with central duckbill outlet
• Rear section with silencer dual outlet D70 model racing with flange
• Silenced rear section with crossed outlets
• Note: you can choose a flanged or male-female connection to the rear exhaust sections.
• Brand: Aros
• Manufacturer code: PR911G4-CLTFL
• Road approval: Not approved for road use

Compatibility

• Porsche 911 Gruppo 4 (1977)

This product is intended for track and competition use: it is not approved for use on public roads.

Need advice on installation or compatibility? Contact us before purchasing; we are happy to help.