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034Motorsport is proud to offer the finest 3″ stainless steel downpipe pair on the market for the B5 Audi S4 2.7T. These downpipes feature 1/2″ thick CNC-machined stainless steel turbo outlet flanges to prevent warping, and a precision-made swaged transition from the diamond-shaped turbo outlet to ensure smooth, restriction-free flow from the turbine housing – no steps, no rough transitions, just smooth, turbulence-free flow. These downpipes are professionally TIG-welded and backpurged, and the flanges are ported after welding to ensure optimal flow.
The most advanced injector we offer. The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. Safe and we've tested for up to 8bar rail pressure!
Fuel rail spacers not required for later VW/Audi applications.
Designed to be the ultimate plug in WMI solution for the 2.7T, this kit is features an AEM pump, controller, and nozzles, paired with custom fittings and a plug-in harness made by 034Motorsport. The supplied plug-in harness takes the guesswork out of wiring up your WMI setup, and also accommodates our Plug-In AEM WMI Injection Monitor & Failsafe, which is sold separately. Custom 034Motorsport WMI Nozzle Fittings allow for low-profile installation of the AEM WMI Nozzles on the bipipe, where space is limited.
All wiring, connectors, hardware, and instructions needed for installation are included, making this plug-in kit the perfect solution for your water/methanol injection needs.
CNC machined billet aluminum fuel rails for the 2.7T. CAD engineered and machined to precise tolerances to ensure perfect injector and thread sealing. Includes reversible brackets which allow the use of either short or tall bodied injectors, fits all 2.7T and RS4 intake manifolds.
Also allows the use of OEM injector clips to keep injectors attached and sealed even with the rail unbolted from the intake manifold.
This high-quality reinforced silicone hose allows for simple removal of the failure-prone after run coolant pump found on B5 Audi S4 and C5 Audi A6/Allroad models equipped with the 2.7T engine. Simply remove your auxiliary water pump and hoses, and replace them with this silicone hose. New hose clamps are included!
The 034 check valve is a high quality spring-loaded ball-style unit designed for simple bolt-on installation for the Audi AAN I5 20VT, Audi/Seat/Volkswagen 1.8T, Audi 2.7T, and many others. Features a CNC-machined billet aluminum housing with stainless steel ball-bearing and spring.
034Motorpsort’s billet PCV check valve serves as a simple, elegant, indestructible replacement for the problematic OEM Audi/Volkswagen plastic valve (035 103 245A).
This high-quality, performance engineered diverter valve is designed to replace the factory plastic diverter valve, which is a common source of boost leaks. Unlike the OEM valves, which use a fragile rubber diaphragm that is prone to failure, the 034Motorsport Diverter Valve features a high-performance spring and piston design. This means that the valve lasts much longer, and is capable of handling increased boost pressure.
The 034Motorsport Bypass Valve is fully serviceable and rebuildable.
034Motorsport now offers a Billet Drop-In Fuel Pump Upgrade Kit for Audi Applications!
The kit is features a Bosch 040 “High-Output” Fuel Pump, and allows you to install the new fuel pump directly into the factory basket with our Billet Aluminum Fuel Pump Mounting Bracket.
Replace your restrictive OEM Audi bipipes with 034Motorsport’s High-Flow Stainless Steel Bipipe Set for the 2.7T! Eliminate a major bottleneck in the 2.7T motor while improving boost response.
Engineered utilizing CAD software to ensure perfect fitment and optimal flow. Manufactured from precision mandrel-bent 304 Stainless Steel to minimize heat transfer from the engine bay to the charge air. Constructed utilizing 2″ diameter tubing with flared ends to mate up snugly with OEM or aftermarket intercooler outlet hoses and throttle body boots. Each bipipe features beaded ends to prevent hoses from blowing off under boost, and 1″ nipples for diverter valves. “Stealth” water-methanol injection bungs are welded underneath each of the bipipes to accommodate WMI kits.
034Motorsport is proud to offer our Silicone Bypass Valve Inlet to Bipipe Hose Pair to replace expensive OEM units! These durable, reinforced high quality silicone hoses were modeled directly off of the factory parts to ensure perfect fit and finish.
This hose pair is designed to replace the outrageously expensive, failure-prone factory rubber hoses with boost-friendly automotive silicone ones. Factory hoses sell for over $80 each, while you get both here for under $35.
034Motorsport's X34 B5 Audi S4/RS4 Carbon Fiber Cold Air Intake is the ultimate cold air induction system for the powerful 2.7T engine. The X34 utilizes a large open element filter combined with a beautifully designed carbon fiber heat shield to ensure that your turbos are drawing in cold, dense, filtered air. In addition, every X34 intake includes an ICM relocation kit to neatly move the factory ignition control modules out of sight.
The X34 Cold Air Intake is compatible with stock and aftermarket MAF housings, including our 034Motorsport Billet 2.7T MAF Housings.
Replace your OEM Audi Y-Pipe with 034Motorsport’s Carbon Fiber B5 RS4 Y-Pipe Replica for the 2.7T! Eliminate a potential bottleneck in the 2.7T motor while spicing up your engine bay with gorgeous carbon-fiber.
Engineered utilizing CAD software to ensure perfect fitment and optimal flow. Manufactured from high-quality carbon fiber and automotive-grade resin to provide a long-lasting finish and excellent durability.
Please Note: The 034Motorsport Carbon Fiber 2.7T Y-Pipe does not have provisions for mounting the factory engine covers.
This hardware kit includes everything you need to install 034Motorsport 3″ Downpipes onto your Borg Warner K03/K04 or Tial 605 Turbochargers.
034Motorsport now offers a Billet Aluminum Drop-In Fuel Pump Mounting Bracket for Audi Applications!
After months of testing and engineering to ensure the perfect fit and performance, we are happy to announce our B5 S4 3.5″ exhaust system. Fully mandrel bent and made from stainless steel, this is the best system to allow your B5 S4 the most exhaust flow.