View Single Post
      01-23-2010, 07:01 PM   #37
eclipsisNA
Colonel
United_States
212

 
Drives: 2013 Estoril 328i M Sport
Join Date: Oct 2007
Location: Beverly Hills, CA


Posts: 2,938
iTrader: (6)

Garage List
2014 BMW 428i  [3.88]
I had a no cat straight pipe setup on my car for five days before I got hi-flow cats, and I got a headache every time I got in my car from the horrible exhaust fumes. The cats helped immensely but kept the sound the same, which is what I was after.