Exhaust system build out from headers
09-11-2009, 12:49 PM
#1
2nd Gear Member
Thread Starter
Join Date: Feb 2009
Location: FL
Posts: 453
Exhaust system build out from headers
Hello,
I'm in the process of determining what my new exhaust system set up will be. I'm located in the state of Pa where we must pass emmisions testing...and this is my DD, so I have to be reasonable. However, after Uncle Sam returns some of my OWN money to me next year I'll also be going F/I...more than likely an X-Charger set up if they ever releae the IC for it.
Anyway...on to my question. I think I'm going to go with these parts:
05-09 1 5/8" Long Tube Headers with 2.5" Collector - Ceramac Coated
Part Number: TF2405
Price: 399.50
OR
2005-2009 4.0 V6 1 5/8" Long Tube Headers with 2.5" Collector - Chrome Plated
Part Number: TF3405
Price: 289.50
05-09 V6 2.5" Stainless Steel Pro Chamber to Long Tube Headers
Part Number: 26605
Price: 299.50
Boom Tube Dual Cat Back Exhaust for 05-10 V6
Price: 380
First off I want to be able to pass emmisions, so can I keep my stock cats in place? None of the parts I picked on MACs site say they are for off road use only...BUT while looking at the installation instructions offered I didn't see any mention of cats (converter not of the feline variety
). My main concern is keeping my cats...I mean if need be I think I can get a decent set of High flow cats for cheap anyways, so that's not my concern. I just want to be sure of what I need so I can buy everything as soon as I get my security deposit back from my old place. Also, is Ceramic really worth it? I mean I know Chrome Plating is a step down, but how much longer do they last if they are ceramic coated vs. chrome plated.
Thanks for looking!
I'm in the process of determining what my new exhaust system set up will be. I'm located in the state of Pa where we must pass emmisions testing...and this is my DD, so I have to be reasonable. However, after Uncle Sam returns some of my OWN money to me next year I'll also be going F/I...more than likely an X-Charger set up if they ever releae the IC for it.
Anyway...on to my question. I think I'm going to go with these parts:
05-09 1 5/8" Long Tube Headers with 2.5" Collector - Ceramac Coated
Part Number: TF2405
Price: 399.50
OR
2005-2009 4.0 V6 1 5/8" Long Tube Headers with 2.5" Collector - Chrome Plated
Part Number: TF3405
Price: 289.50
05-09 V6 2.5" Stainless Steel Pro Chamber to Long Tube Headers
Part Number: 26605
Price: 299.50
Boom Tube Dual Cat Back Exhaust for 05-10 V6
Price: 380
First off I want to be able to pass emmisions, so can I keep my stock cats in place? None of the parts I picked on MACs site say they are for off road use only...BUT while looking at the installation instructions offered I didn't see any mention of cats (converter not of the feline variety
). My main concern is keeping my cats...I mean if need be I think I can get a decent set of High flow cats for cheap anyways, so that's not my concern. I just want to be sure of what I need so I can buy everything as soon as I get my security deposit back from my old place. Also, is Ceramic really worth it? I mean I know Chrome Plating is a step down, but how much longer do they last if they are ceramic coated vs. chrome plated. Thanks for looking!
09-11-2009, 03:29 PM
#2
3rd Gear Member
Join Date: Apr 2009
Location: WI
Posts: 773
as far as the cats are concerned, with longtube headers you will need to do a little fabbing. They are going to push your system back a bit. You should still be able to use the cats but like I said you are going to have to do a little cutting to make it work.
09-11-2009, 09:04 PM
#3
2nd Gear Member
Thread Starter
Join Date: Feb 2009
Location: FL
Posts: 453
I'm assuming the cutting would be done to the exhaust mid pipes? I'm pretty sure u didn't mean cut up my brand new headers!! Mid pipes wouldn't be that bad to cut...most of the cost of the exhaust kit comes from the axle backs.
09-11-2009, 09:14 PM
#4
6th Gear Member
Join Date: Jul 2007
Location: Honolulu, HI
Posts: 6,130
why dont you get matching mid pipe for the LT's?
cutting and fabbing may turn out to be a disaster if you are not a welder, and going to a muffler shop to fabricate something is expensive. you'll be better off buying a new one that's made and designed to fit and function properly.
cutting and fabbing may turn out to be a disaster if you are not a welder, and going to a muffler shop to fabricate something is expensive. you'll be better off buying a new one that's made and designed to fit and function properly.
09-12-2009, 12:53 AM
#6
5th Gear Member
Join Date: May 2007
Location: Central Texas
Posts: 2,388
If you're going with mac lt's and fabbing up the downpipes, you can them mate them up to smaller high-flow cats under the car, or farther back where there is room.
Then extend the rear o2 sensors and put them in after the cats.
That'll get your front-half worked out. For the back, you'll have to find something that sounds decent. The 6'er wont sound as good as a gt, but with a decent h pipe or prochamber, you at least have a chance. using a x pipe will make it sound like crap.
Here's a link to my high-flow cats with mac lt headers. This pic has no crossover and some uclamps for hangers; current setup is slightly different but the cats are in the same place.
http://i224.photobucket.com/albums/d.../Rearview1.jpg
here's a pic of one of the down pipes with the cat and o2 bungs (one for wideband, one for rear sensor after the cat):
http://i224.photobucket.com/albums/d...sgrPipe_01.jpg
Then extend the rear o2 sensors and put them in after the cats.
That'll get your front-half worked out. For the back, you'll have to find something that sounds decent. The 6'er wont sound as good as a gt, but with a decent h pipe or prochamber, you at least have a chance. using a x pipe will make it sound like crap.
Here's a link to my high-flow cats with mac lt headers. This pic has no crossover and some uclamps for hangers; current setup is slightly different but the cats are in the same place.
http://i224.photobucket.com/albums/d.../Rearview1.jpg
here's a pic of one of the down pipes with the cat and o2 bungs (one for wideband, one for rear sensor after the cat):
http://i224.photobucket.com/albums/d...sgrPipe_01.jpg
09-13-2009, 11:43 AM
#9
2nd Gear Member
Thread Starter
Join Date: Feb 2009
Location: FL
Posts: 453
If you're going with mac lt's and fabbing up the downpipes, you can them mate them up to smaller high-flow cats under the car, or farther back where there is room.
Then extend the rear o2 sensors and put them in after the cats.
That'll get your front-half worked out. For the back, you'll have to find something that sounds decent. The 6'er wont sound as good as a gt, but with a decent h pipe or prochamber, you at least have a chance. using a x pipe will make it sound like crap.
Here's a link to my high-flow cats with mac lt headers. This pic has no crossover and some uclamps for hangers; current setup is slightly different but the cats are in the same place.
http://i224.photobucket.com/albums/d.../Rearview1.jpg
here's a pic of one of the down pipes with the cat and o2 bungs (one for wideband, one for rear sensor after the cat):
http://i224.photobucket.com/albums/d...sgrPipe_01.jpg
Then extend the rear o2 sensors and put them in after the cats.
That'll get your front-half worked out. For the back, you'll have to find something that sounds decent. The 6'er wont sound as good as a gt, but with a decent h pipe or prochamber, you at least have a chance. using a x pipe will make it sound like crap.
Here's a link to my high-flow cats with mac lt headers. This pic has no crossover and some uclamps for hangers; current setup is slightly different but the cats are in the same place.
http://i224.photobucket.com/albums/d.../Rearview1.jpg
here's a pic of one of the down pipes with the cat and o2 bungs (one for wideband, one for rear sensor after the cat):
http://i224.photobucket.com/albums/d...sgrPipe_01.jpg
09-13-2009, 11:45 AM
#10
2nd Gear Member
Thread Starter
Join Date: Feb 2009
Location: FL
Posts: 453