034Motorsport Bipipe Set, B5 Audi S4 & C5 Audi A6/Allroad 2.7T, Stainless Steel with WMI Bungs

This high-flow bipipe set replaces the restrictive factory bipipes on Audi 2.7T engines in the B5 S4 and C5 A6 and Allroad, which 034Motorsport describes as a major bottleneck, and improves boost response. The pipes are CAD-designed and mandrel bent from 2-inch 304 stainless steel to minimise heat transfer from the engine bay into the charge air, with flared, beaded ends that seat snugly in OEM or aftermarket hoses and resist blowing off under boost. Each pipe has a 1-inch diverter valve nipple in place of the stock 3/4-inch, plus a stealth water-methanol injection bung welded underneath, supplied with plugs. The set bolts on directly, works with upgraded intercoolers and electric fan kits, and this version has a wrinkle-coated black finish.

Features

• Mandrel-bent 2-inch 304 stainless steel tubing
• Flared, beaded ends resist hose blow-off
• 1-inch diverter valve nipples (stock is 3/4-inch)
• Stealth WMI bungs with plugs
• Direct bolt-on, suits upgraded intercoolers and fan kits
• Wrinkle-coated black finish

Specifications

• Brand: 034Motorsport
• Product Type: Bipipe Set
• Material: Mandrel-bent 304 stainless steel
• Tube Diameter: 2-inch
• Finish: Wrinkle-coated black
• Diverter Valve Nipples: 1-inch
• Includes: Bipipe pair, 1-inch reinforced silicone diverter valve hose pair, WMI bung plugs (2), diverter valve hose clamps (4)
• Part Number: 034-108-5001-BLK

Vehicle Compatibility: 3 applications across 1 make. Select a make to view.

Images shown are generic and for illustration only. The part supplied may differ in appearance.

Please confirm fitment against your vehicle before ordering. Contact us if you need help selecting the right part.