I love my magnaflow 18"

 

ive got dual 14 inch magnaflows with no cats and love them

 

which magnaflow 18" did you guys use? part number or inlet/outlet sizes and configuration would help. i know ive seen it on here before but just want to make sure.

 

I had a 3"x3"x14" Magnaflow installed on the factory exhaust pipe. I left the resonator on and also had a 4"x18" slant tip installed. The sound is borderline on perfect. I love it, no popping and no highway drone. And the 4" tip looks great without being rediculous. This is the 4th truck of 4 different makes that I have done a similar Magnaflow setup on, with beautiful results on all of them. The best part was that it cost me $175 out the door.

 

3" inlet and outlet diameter? i forgot to mention i was looking for part number for single exhaust, not dual exhaust.

 

That is a single muffler. It is 3" diameter inlet and 3" diameter outlet, with a 14" long case and total length of around 18". I never saw the box, so I can't tell you a part number, but magnaflow has a nice website, and you can also find it on Summit's website.