top of page

SEP / Twenty Seven Innovations-


This is a complete piping kit for the Audi B5 S4, everything needed to change all your boost piping to 2.25” ID, an increase of .5 “ over stock.


There are Vband and single piece VS two piece options available.


Included in this kit:

-rs4 y pipe with integrated 85mm intake complete with filter couplers and clamps 

-oversized one piece y pipe kit will all associated components

-2.25” Id 1/8th” wall aluminum charge pipes with couplers

-2 piece 2.25” inlets kit 

This kit is designed to decrease turbo lag, increases top end power along with overall HP in all ranges and low rpm, all wheel torque.

SeP - Complete piping kit ko4 / srm k24 / rs6 turbos

Turbo Inlet option
    Product Page: Stores Product Widget
    bottom of page