General Maintenance, Troubleshooting & Accidents.
Im a UK user and my car is only 3 months old, Impreza 2.5 WRX Turbo.
Ive fitted a new backbox, K&N Air Induction Kit and a Forge BOV last weekend.
All was well until the BOV was fitted, when I would temporarily lose power for about 1/3 of a second when changing gear at 5,000rpm. Then after...