exhaust question
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
It won't do anything dramatic. Your EGT's should be a bit lower. You could see a little more turbo lag on takeoff. You won't see much gain in power unless you change the tune.
Folks say they are not terribly loud. The turbo still muffles the roar.
Unless you use a tuner, I'm not sure there is much point to this, unless you just like the sound.
Folks say they are not terribly loud. The turbo still muffles the roar.
Unless you use a tuner, I'm not sure there is much point to this, unless you just like the sound.
Senior User
Joined: Mar 2009
Posts: 392
Likes: 1
From: Middletown NJ
A turbo, unlike a supercharger, is run off of exhaust gases. A big part of the equation with the turbo is the amount of back pressure that is in the exhaust, and mufflers and cats create enough back pressure to help. With a lack of back pressure, there is less air for the turbo to take and shove into the cylinders.
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
A turbo, unlike a supercharger, is run off of exhaust gases. A big part of the equation with the turbo is the amount of back pressure that is in the exhaust, and mufflers and cats create enough back pressure to help. With a lack of back pressure, there is less air for the turbo to take and shove into the cylinders.
Reports are that a custom tune can help with the turbo lag. Can't say personally, because I don't trust tuners, but I'm sure it is true.
The increased turbo lag also happens to guys who go with oversized 5" exhaust. Same principle.
Elder User
Joined: Nov 2008
Posts: 938
Likes: 0
From: in the fast lane
I have a straight pipe all the way for over a year now. No huge differance but louder when i stomp on it. Mine is stock except for zoodad and straight piped.
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New User
Joined: Jan 2010
Posts: 8
Likes: 0
yea thats what i was trying to do. just get a little more noise behind it when i get on it but not at the cost of destroying my truck.
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Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
I don't believe it will make your truck "slower". These trucks all have turbo lag. Doesn't mean your truck is slow. Doesn't mean your truck is underpowered. Just means it's a little slower off the line until the turbo spins up. Assuming you are not planning on drag racing, it's just something you adjust to.
These are trucks, dammit. Not funny cars.
These are trucks, dammit. Not funny cars.
Elder User
Joined: Nov 2008
Posts: 938
Likes: 0
From: in the fast lane
I think you will like it. With mine i did'nt notice hardly any differance accelerating. I went with a 4 inch from where the cat was to the end of where the muffler was and have it turning out in front of the rear wheel with a big stainless tip. Love the sound.