If you’re looking to unleash the true potential of your 2.7T engine, swapping out those restrictive OEM bipipes for the 034Motorsport High-Flow Stainless Steel Bipipe Set is a solid move. I’ve been there, and trust me, these bipipes make a noticeable difference. They tackle one of the biggest bottlenecks in the system, giving you a boost in response that feels fantastic on the road.

These bipipes are crafted using some serious engineering—034Motorsport utilized CAD software to nail down the fit and flow. Made from precision mandrel-bent 304 stainless steel, they keep heat transfer to a minimum, which is a big deal when you’re pushing your engine. The tubing measures in at a robust 2 inches in diameter and features flared ends that snugly connect to both OEM and aftermarket intercooler outlet hoses and throttle body boots. Plus, with beaded ends, you can say goodbye to the worry of hoses blowing off under boost.

One of the neat features here is the 1-inch nipples for diverter valves—that’s an upgrade from the stock 3/4-inch setup. If you’re into water-methanol injection, you’ll appreciate the stealth bungs welded right underneath each bipipe, making it easy to accommodate WMI kits without a fuss.

Installation? It’s a direct bolt-on, so you won’t be spending your weekend wrestling with it. These bipipes are also compatible with upgraded intercoolers and electric fan kits, which is a nice touch if you’re planning to take your ride to the next level. They fit perfectly on all 2.7T equipped B5 S4, C5 A6, and C5 Allroad models, so you’re covered no matter your setup.

• High-Flow 2" Diameter Stainless Steel Tubing
• Flared/Beaded Ends
• Stealth WMI Bungs
• 1" Diverter Valve Nipples

What’s in the box?

• 034Motorsport Bipipe Pair
• 034Motorsport 1" High Flow Silicone Reinforced Diverter Valve Hose Pair
• Q2 Stealth WMI Bung Plugs
• Q4 Diverter Valve Hose Clamps

Fitment:

• 2000 - 2002 Audi S4 (B5) 2.7T
• 1998 - 2004 Audi A6 (C5) 2.7T
• 2001 - 2003 Audi Allroad (C5) 2.7T

These bipipes are available in a raw stainless finish or a sleek wrinkle-coated black, so you can choose what suits your style best. If you’re serious about performance, these are a must-have upgrade for your Audi.