🚗 Borla 140427 Performance Cat-Back Exhaust System Review

I was really excited to install this exhaust system on my car, but it ended up being a disappointment. The performance gains were minimal and not worth the price tag. Additionally, the construction quality was lacking and caused me some headaches during the installation process.

I just installed 140427 with 60087 X Pipe on my 2003 C5. I wanted a more aggressive sound than standard, but not so loud that we couldn't have a conversation while cruising down the road. They sound great under acceleration but quiet on the road. They are significantly louder than the series. I wish they were a little louder, but not at the expense of in-car volume, and I was afraid the ATAK would be too loud. In general I am very happy with the choice.

Do you own a C5 Corvette? Well, you need this exhaust system to unlock the full potential of this LS 1 engine. Unlike factory mufflers and pipes that are welded together, these Borla mufflers and pipes are bolted together. You can install this system without a lift if you simply cut off the factory exhaust in strategic places with the Sawzall. It helps if you have 2 jacks that can be used on either side of the car to let air in, but remember to also use the jacks as an extra backup in case the…