Hello...

Im doing a Y-pipe back system...Getting rid of the Pre cat, Cat, and stock muffler. I will be comming in with a 2.5" to 3" reducer that is 12" long, then 3" all the way with a 3" Dynomax turbo muffler.

My question is before i do this, what kind of a HP/TQ/MPG increase can i see realistically. Alot of the Dynomax adds say 25 HP with a 2MPG increase with a Cat back system...and this is more then a cat back system, and also you can never believe those adds 100%...

any thoughts? before i go through with this

 

Keep it legal and keep your cat.

 

25HP from exhaust? Doubt It.

 

Wow... There is without a doubt some power there that their wasn't before...

If i do not doubt that i gained 25 horsepower...although i think that it was more recovering lost horsepower then adding to the original power...

I don't think i gained anything with the 3" pipe though...that stuffs beast...would recommend 2.5 for anyone else doing an aftermarket exhaust.

 

Glad to hear that you are keeping things street legal...lol.

 

 

Working on some pictures of the build, and then finished product...also a mileage report.