Using your Killer B Motorsport V2 High Flow Water Pump Housing is straightforward. First, make sure you have the Killer B Install Kit if you've purchased it. Start by carefully removing the old water pump housing from your Subaru WRX (2002 - 2014) or STI (2004 - 2021). Then, place the new housing in position, ensuring the ground flange fits snugly to prevent leaks. Connect the hoses using the roll - formed bead for a proper fit. As it's made - to - order, you're getting a high - quality, custom - built part. When it comes to maintenance, regularly check for any signs of leaks around the flange. You can wipe down the 304 Stainless Steel housing with a clean, dry cloth to keep it looking good. Avoid using abrasive cleaners as they might damage the finish. With these simple steps, your water pump housing will keep your engine running smoothly for a long time.