GrimmSpeed 44mm EWG V-Band Uppipe Ceramic Coating WRX (2002-2014) STI (2004-2018) Subaru check the box below if

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Over 20 years of continuous exhaust development and technical expertise are drawn upon to develop the ultimate milltek sport range of performance exhausts

Also available with the EWG Up-Pipe package

- Lightweight construction

GrimmSpeed 44mm EWG V-Band Uppipe Ceramic Coating WRX (2002-2014) STI (2004-2018) Subaru check the box below ifAn External Wastegate (EWG) allows exhaust gases to be diverted prior to entering the turbo; creating quicker turbo spool. The GrimmSpeed EWG has a larger diameter than a stock internal wastegate; this allows the exhaust gas to be released faster, which improves boost control, maintains maximum boost longer in the rpm range. All of these together will give you a 10 40 HP INCREASE. Moving the wastegate out of the turbo relieves the turbo from the