![Integrated Engineering ProCore Downpipe | B9 S4 · S5 E36/7 · E36/8 Z3 19i 1.9L I4 [M44] HPFP upgrade for ethanol &](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/IntegratedEngineeringProCoreDownpipeB9S4_S5.png?v=1693418463)
Pay in 4 interest-free payments of $359.37 Learn more
Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
HPFP upgrade for ethanol & larger turbo tunes
precision engineered with smooth mandrel bends
High temperature
24% CFM improvement full system vs full system
The coating also allows the use of a touchscreen device without having to remove them
Integrated Engineering ProCore Downpipe | B9 S4 · S5 E36/7 · E36/8 Z3 19i 1.9L I4 [M44] HPFP upgrade for ethanol &The IE ProCore Downpipe for your Audi B9 S4 or S5 delivers an improved exhaust note and increased flow. Our in house engineered 6" 400CPSI catalytic converter channels substantial flow to support upgraded engine tunes and larger turbochargers. The specialty tri core design and precious metal coatings align with ECU emissions requirements so that you can upgrade without the check engine light. IE's in house engineered ProCore Catalyst features our own
US$ 95.00
US$ 35.00
US$ 35.00
