If you are a member of any of the Aston Martin Owners FaceBook Group or online Forums (like PistonHeads or 6SpeedOnline) you will likely have seen some chatter talking about fitting a ‘Secondary Cat Delete Kit’ (SCDK) in your car to increase the power and improve the sound. It’s not like the stock DB9 has a deficiency in either department already, but its promise is a simple change will give you more of each. Intrigued by this I couldn’t resist researching how to tackle this.
There are several vendors that make SCDKs, and in this article I will be covering my personal experience with the kit from AML Performance. AML Performance is a small company in the UK, and I met its parts manager Mark Holden in the Aston Martin Owners Facebook Group. He is a DB9 owner himself. Mark suggested I might want to try out a set of their SCDKs and I took him up on the offer. Read on to learn about their kit and how to fit it. Continue reading “Installing an AML Performance Secondary CAT Delete Kit in an Aston Martin DB9”