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need help with pipes

1K views 2 replies 2 participants last post by  wags84 
#1 ·
I have 2010 se that I instilled dual straight pipes on . After instill I lost tons of low end and back pressure plus my fuel mileage droped bad little did I know at the time how titans don't like the open pipes . So what I'm wanting to know is what is the best muffler to help me regain some back pressure but will also allow me to have that deep tone ? I'm running at the moment stock cats 2in pipe true duals into 2 1/2 in pipes into 4in tips I love the sound but can tell it need's it's power back to help push my 33s
 
#2 ·
The 2.25 or 2.5 inch into a "y" then 3" single in and out muffler is the best performer from what I have learned. Kinda weird you lost low end with 2" pipe.
 
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