🔊 Vibrant Performance 1047 High-Performance Muffler Review

After trying this product, I was extremely disappointed with its performance. While it did enhance the loudness of my vehicle, it did not improve the overall sound quality and actually resulted in a significantly reduced gas mileage. The only pro was its easy installation.

The problem was only in the installation, the double pipes were wider than the lower bumper cutout. The shop corrected this with careful use of the saw. And the clamp was ineffective which was repaired by a TIG welder.

I put this on the back of my Fiesta ST MBRP 409 stainless exhaust to tone it down a bit. The muffled "tractor" sound when starting off is completely eliminated and the car is easily half as loud as before (3 dB attenuation). All of the creaking is gone now, but there's still a deep bass "purr" component to the sound. It's even louder on the highway between 2800 and 3500 rpm, but it doesn't have the deafening hum it used to have. Now I can talk to other passengers in the car while driving and my