SLE Audi A4 & A5 B9 (2.0T TFSI) 2015–2019 Catless Downpipe F90 Pairing the iE TCU calibration

Pairing the iE TCU calibration with any stage ECU tune will significantly transform every aspect of your Golf R or S3

Pre-welded 1/8” NPT bung (meth/port injection ready)

JB4 backend maps and custom maps)

Power increases vary with model

Already own an IE POWERlink cable

SLE Audi A4 & A5 B9 (2.0T TFSI) 2015–2019 Catless Downpipe F90 Pairing the iE TCU calibrationThe SLE Catless Downpipe is built to improve exhaust flow and performance for the B9 Audi A4 and A5 equipped with the 2. 0T TFSI engine. By removing the factory catalytic converter, this upgrade reduces backpressure, improves turbo response, and delivers a more aggressive exhaust tone perfect for street or track use. Crafted from T304 stainless steel, and TIG welded with back purged construction, its made to withstand the demands of high boost