At Proride Motorsports , we care for your automotive needs We don't just sell products that works, we provide solution to your automotive problems After our customer change the extractor on his 4G91, it seem that the oil filter is block by it. Due to the nature of the design of the extractor, we decide to leave it as it is as we believe that Hot Bits design it in such a way for maximum performance. Instead of modifying the extractor, we suggested our customer to install Engine Oil Relocation Kit. Complete kit. NEVER INSTALL THE OIL FILTER ABOVE THE ENGINE LEVEL After installation, the oil filter is now located at the engine mounting. Same level with the engine head. To ensure maximum oil flow, we recommend our customer to use K & N High-Flow Oil Filter Adapter from engine block out to the oil relocation kit Now, it is much easier for our customer to service his engine oil & change the oil filter. It's just our passion to try our BEST to provide you with the BEST! Call