BEST OF Subaru SOUNDS Compilation! - 11mins of BOXER Engine Sounds! - YouTube
FB20 - Is this a normal engine sound? This is my first boxer and It's done this since I bought it. It's louder in the video than in reality. : r/subaru
Boxer Engine Sounds in Sound Effects - UE Marketplace
Is this rod knock or do boxer engines sound like this? : r/GR86