Fast Eddie's 02 T/A vert.

I need some feedback on this mod.If i was to put Mac mid length headers with cats and a Y pipe on my convertible what would my gains be in the way of HP.I've been told i may gain 5 HP,that would be a joke for the $1000.00 investment.

What do you think.If i could pick up 15 ponies i would do it.

TaTommyWS6

You can pick up Macs with an ORP for $499 last time I checked.

You can expect a solid 20rwhp after macs with a tune. (Hell, you can lose 5hp after a header install if your a/f is thrown way off!)

However, I would have gone with Hooker LTs if they were available when I installed my Macs since the price is similiar.

Tommy

boomcase

Just Get The Pacesetters With The Orp.

Bad30th

iTrader: (13)

You will pick up roughly similar top-end gains as with longtubes.

Longtubes would have more mid and low end power, and slightly more top end.

I'm happy with my Macs, I made 410rwhp/415rwtq N/A through them with 3" CarSound cats.

Bad30th

jlrz28

iTrader: (7)

The macs are a great header in my opinon. I installed them had no troubles with them but now that prices are down I would probly go with a hooker or hedman headers setup.

16nrollininaws6

You can pick up nearly the gains of LT's, especially if you port the primaries.

Fast Eddie's 02 T/A vert.

Thank you my friends,you are all a great help.

davered00ss

iTrader: (4)

With a 2002 car I don't think you will see a lot of gains from mac's. The 01/02 cars had good exhaust manafolds. Go with LT's. I gained 24 rwhp w/Kooks LT's.

Hellion

Hey bro,

In my opinion, I would stay away from MACs. I only say this because I helped install a set and I thought that they were a PITA to install! Not only that, I'm sure that within a matter of time you'll probably want to swap them out with long tubes. I would just get the long tubes for around the same price.

Good luck modding...

Nate

apexman

I picked up mine for 260 and I thought they were super easy to install (both from the top). I am make decent power with them. I got them cuase they work, they were cheap, and easy to install.

Derek

DrkPhx

iTrader: (15)

How so and compared to what? My go in from the top with very little problems and zero fitment issues. I've to take them them off at least 4 times with no problems.

Billfold

You can get uncoated Pacesetter LT's for 279 at Texas-Speed. But thats not what you were asking. I have heard gains are very similar until you start modding big. What are your plans for the car? That's the biggest question I think. Don't do something you would regret later on down the road....

Bill

Fast Eddie's 02 T/A vert.

Longtubes hang low on lowered cars.I have to be carefull going over speed bumps now,entering driveways can be a bitch too with another person in the car.

The mid lengths look like they would tuck up in there nicely.It's a tough issue,i want to make the right decision.

Now I'm not sure what I'm going to do.I am getting headers one way or the other.

Like i said,if I could pick up 15 HP with little Macs and a tune I will do it.From what you guys are telling me I very well could get the 15 HP I'm looking for.

It would be cool if somebody dynoed their LS1 after a little Mac intall.

Every little bit helps,I noticed a difference when I swapped out the SLP lid with the TSP lid,it wasn't a big difference,but I felt the slight change,

99 Pewter TA

iTrader: (38)

If I could do it again I would go with kooks lt. My friend has them w/ cats and they look and sound great!

apexman

I dynoed 293 hp and Tq with a lid and muffler. After installing my small T1 cam and Macs it made 374 hp 372 Tq. This was without an LS6 intake or ported TB.

I also had a buddy who used to have a Procharger on his T/A. He had MAc's headers and Y with Corsa catback and put down 548. I don't think they are much of a restiction and I think they make decent power down low. I just couldn't pass mine up for the deal I got them for with the Y pipe.

PREDATOR-Z

I gained 21rwhp and 14 trq on a stock internal motor. When I dynoed it was over 100F.

Fast Eddie's 02 T/A vert.

I ordered the Mac mid length headers.After they are installed I will have the T/A dynoed and post the results.

Thanks again for the help.

harrington346

Question of my own. 01 SLP SS camaro. 365HP stock. What would my gains be with a set of mac midlengths and a full hooker header catback exhaust.??

harrington346

I have a 01 SOM SLP SS. 365HP stock. What would my hp gain with a set of mac midlength headers and a full hooker header catbavk exhaust with a full loop tune??

jlrz28

iTrader: (7)

Headers are a great mod. The catback not so much. I would do a lid or intake before doing the catback if your looking for numbers.