Billet High Flow Fuel Rail Upgrade Kit FPR MK4 VW Audi 1.8T Jetta GTI GLI 337 TT Intake Manifolds If your housing isn’t broken

If your housing isn’t broken then you still have to get the right hose

which can lead to couplers coming off under boost

This regulators features high-flow design

and engine combinations can still utilize the RBC intake manifold

Drop-In High-Flow Billet Aluminum Fuel Rail for B5 Audi A4 1

Billet High Flow Fuel Rail Upgrade Kit FPR MK4 VW Audi 1.8T Jetta GTI GLI 337 TT Intake Manifolds If your housing isn’t brokenBillet Aluminum Drop In High Flow Fuel Rail Upgrade Kit FPR VW Audi 1. 8T Golf A4 Drop In High Flow Billet Aluminum Fuel Rail for B5 Audi A4 1. 8T, Mk1 Audi TT, and MkIV Volkswagen Golf Jetta GTI GLI 1. 8T applications! These drop in kits include our CNC machined billet aluminum fuel rails, billet internal FPR adapter, and all hardware, fitting, and hoses needed for a simple drop in installation. What's Included: Billet Aluminum 1. 8T Fuel Rail