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i am debating on doing a Y pipe on my 08 titan and a single exhaust out. im looking at the 2.5 dual in and 3in outlet. or should i just keep the duals and find a dual in single out muffler? would the y pipe flow enough not to loose any power?
 

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Your mandrel bent dual in pipes are better than a Y, so just pop in a dual in single out muffler.
 

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I'm finding that a dual in single out aftermarket muffler is hard to find.
 

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anmut said:
I'm finding that a dual in single out aftermarket muffler is hard to find.
Depends on the brand, but all Magnaflow mufflers are reversible.
 

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I just swapped my stock for a magnaflow. F*****G AWSOME. I read that you gain 8WHP and 14lbs.WT. I don't know if it's that much but it is a noticable difference. It's my first and only mod so far and I can easily lay rubber with both rear wheels now. Can't wait for my 2 degree advance and CAI.
 

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sligsta said:
I just swapped my stock for a magnaflow. F*****G AWSOME. I read that you gain 8WHP and 14lbs.WT. I don't know if it's that much but it is a noticable difference. It's my first and only mod so far and I can easily lay rubber with both rear wheels now. Can't wait for my 2 degree advance and CAI.
Since we have the same truck (I have a CC) - can you tell me the model number of that muffler? Also was it easy or did you have to weld?
 

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I used the 12280 2"d/2.5"s, $78 shipped. Most people use the 12258 2.25"d/2.5"s, $62 shipped. Our stock muffler is 2.25"d/2.5"s but the pipes going in our 2" so I chose the 12280. Had I realized the 12258 was $16 cheaper I would've gotten that. I don't think there is any noticable performance difference, if any, between the 2. Now the Magnaflow inlets will be about 3-4" closer together than the stock inlets so in order for the stock pipes to fit the drivers side inlet was cut right before the curve about 18" form the muffler and rotated 180 degrees. Even then it still needed to bent slightly to line up. Of course everything is welded up, but any reputable muffler shop should be able to do this swap in less than an hour. Oh yeah, I ordered through hottexhaust, who probably beat anyone elses prices on Magnaflow products
 

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That is a good price for that muffler. I bought the same one but haven't had it installed yet. What should I expect to pay to have it put on? Anyone have a price range? I need to get this done sometime. I like what I hear about Uprev. I think just taking off the throttle body restriction would be enough. I guess if they can tune it even more the better.
 

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$50-$75 to have installed. Again it should take less than an hour and most any muffler shop can do it. Shop around and see who has the lowest hourly rate.
 
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