Magnaflow built custom long tube headers for my 2013 Boss 302. They are 1 3/4" 4 into 1. The car sounds awesome. Feels more responsive on the throttle and pulls smooth. I am going on the same tune that was on the car till tomorrow when I upload my updated tune. I will let you know when I get the tune uploaded on how the car feels. Here are some pictures and a sound clip teaser.

 

Beast

 

Very cool. Are you helping Magnaflow develop these?

 

This is a custom job for my car. I do several track events and i wanted to get as much power from my car NA as possible. They developed all thge Boss cat back systems on my vehicle.

 

Wish I had someone local I could help develop.