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View Full Version : Interested in Kooks full exhaust w/ headers. Any feedback?



guccijayda
04-12-2010, 06:51 PM
Hey guys. its been probably been a year since i been on these forums. My marauder now has 58k miles.I probably only accumulated 8 thousand miles in three years.
Well anyway I put some investment in my marauder , and I was thinking about investing more to get the KOOKS Complete Long Tube Headers and Exhaust for $1600. (sorry guys, s/c out of the question!)

Can anyone that has them give me some input on them performance wise, sound wise (I already have flowmaster 40's so I'm wondering how much louder it will be). Thanks :cool4:

babbage
04-12-2010, 07:07 PM
From what Ive read and seen Stainless Works are better. I'd look at those too.

Brian H
04-12-2010, 07:16 PM
theres a set of mid-length headers floating around here in 1 of the threads.i think they want 550. shipped. get with musclemerc.he's got the info.

Go2GuyFL
04-13-2010, 04:44 AM
Check out this thread "A Nice Pair" (http://www.mercurymarauder.net/forums/showthread.php?t=61423&highlight=nice+pair) in which you can see the dyno runs and results of my Marauders with Kooks LTH and X-pipe.

ctrlraven
04-13-2010, 05:40 AM
Stainless Work headers.

FordNut
04-13-2010, 05:42 AM
I have Kooks and like them, but have never installed SW headers. Most people who have installed both brands will tell you to go with the SW.

LeoVampire
04-13-2010, 09:41 AM
The only 2 things I can say is:

#1 you do not have to jack the engine up to install them.

#2 you can easily access the starter once they are in

If you want to keep the heat down get a good ceramic coating on them.

And no matter what you get the stage 8 locking header bolts is a good idea seeing you can use 2 differnt type's of tools to put them on the way they are made.

guccijayda
04-13-2010, 11:35 AM
thanks guys. i was researching on the SW headers. but they seem to cost $2300+ for the longtube headers and their mauex exhaust kit that goes with It! YIKES. Kind of out of my budget right now. Because I wouldnt want to just get the SW longtube headers and say jus their high flow cats but then still have the restrictive stock rear and mid section of the exhaust system. If I get an exhaust system I want it to be the whole exhaust from the headers to the rear. Still debating...thanks for the info guys

ddogg626
04-13-2010, 11:55 AM
I'm running Kooks w a Summit Racing X-pipe and Borla mufflers 2.5 inches pipes all the way. Ttl cost incl. install was 1300.00 USD I put about 10k miles on the system and still like it. no leaks etc. They have turned colors from silver to a gold color but other that is all the changes I have noticed. The welds still look like the hold. I hope it helps

MrBluGruv
04-13-2010, 12:02 PM
...but then still have the restrictive stock rear and mid section of the exhaust system.

It really isn't as bad as you may think.

Plus you're talking about mufflers anyway.

Unless you're bent on getting 3 inch exhaust all the way, in which case I'd say get the headers and high flow cats then shop around and have a shop make the rest of the piping for you and then pick out your mufflers of choice for tonality.

ImpalaSlayer
04-13-2010, 12:24 PM
if money is tight this is what i would do, just buy the headers and midpipe. the rest of the system wont yield you very much power. i have kooks but would go with the SW. my kooks perform great, but fit like ****. i also REUSED the factory hardware and gaskets.

LeoVampire
04-13-2010, 12:29 PM
thanks guys. i was researching on the SW headers. but they seem to cost $2300+ for the longtube headers and their mauex exhaust kit that goes with It! YIKES. Kind of out of my budget right now. Because I wouldnt want to just get the SW longtube headers and say jus their high flow cats but then still have the restrictive stock rear and mid section of the exhaust system. If I get an exhaust system I want it to be the whole exhaust from the headers to the rear. Still debating...thanks for the info guys

The H-pipe on back in the system is fine for being a non S/C car and you will get a great new sound and some extra power just with the headers and high flow cats.

You only need to open the exhaust up more when your running a lot more power on the engine.

ImpalaSlayer
04-13-2010, 12:30 PM
the h-pipe on back in the system is fine for being a non s/c car and you will get a great new sound and some extra power just with the headers and high flow cats.

You only need to open the exhaust up more when your running a lot more power on the engine.



+1

..........

Motorhead350
04-13-2010, 12:30 PM
Reusing the factory gaskets is a must.

I have Kooks Headers and high flow cats. The rest of the system is stock including my mufflers. It sounds great and looked great all these years later.

BTW I bought them used and they still look just as good as the day I aquired them.

guccijayda
04-13-2010, 01:34 PM
hey guys thanks on the info. Now that I got some more info down from you guys, I am thinking about getting the Lt headers from either Kooks or SW(probably SW),with the high flow cats andthe x pipe and leaving the rest of the system as it is ( with my flowmasters and rest of the stock piping).

ImpalaSlayer
04-13-2010, 01:36 PM
hey guys thanks on the info. Now that I got some more info down from you guys, I am thinking about getting the Lt headers from either Kooks or SW(probably SW), and then getting the cobra x pipe and leaving the rest of the system as it is ( with my flowmasters and rest of the stock piping).

im gona say that the cobra xpipe will not bolt up with out modding it but it may be worth it

guccijayda
04-13-2010, 01:46 PM
im gona say that the cobra xpipe will not bolt up with out modding it but it may be worth it

Sorry not the actual mustang cobra xpipe but I meant to say an x-pipe instead the stock h-pipe

ImpalaSlayer
04-13-2010, 01:52 PM
Sorry not the actual mustang cobra xpipe but I meant to say an x-pipe instead the stock h-pipe
oh ok gotcha.

musclemerc
04-13-2010, 03:32 PM
Good to see your posting again Guccijayda! Don't be such a stranger.

guccijayda
04-14-2010, 12:54 PM
Good to see your posting again Guccijayda! Don't be such a stranger.

Yea i know! It's been a while...shes just sitting in the garage but i warm her up every week and try to drive it atleast ten miles a week. I'm feeling like getting her loosened up with the longtube headers high flows and x pipe...very tempting.

I was quoted by a very good reputation nice ford mustang shop and they charged me $500 for the install. They are kind of high end but they sure are good, i got my 4.10s installed there. I'd still like to shop around to try to save money but I wouldn't feel comfortable binging it to a mieneke shop :confused:. Sounds kinda steep what do you guys think?

guccijayda
04-16-2010, 03:54 PM
YES... bought the kooks longtube headers high flow cats with x pipe going to my flowmaster 40s...cant wait!!! Ill post another thread with pics and videos once its installed!! next step is definitely a shop dynotune on my sct. Thanks a bunch on the help guys.

bawazir
05-01-2010, 07:34 PM
The only 2 things I can say is:

#1 you do not have to jack the engine up to install them.

#2 you can easily access the starter once they are in

If you want to keep the heat down get a good ceramic coating on them.

And no matter what you get the stage 8 locking header bolts is a good idea seeing you can use 2 differnt type's of tools to put them on the way they are made.

Leo with those headers are you using I have the 4 high flow cats or 2, I know the stock ones come with 4 cats, i was just wondering if going with long tube headers we run only 2 cats ?

LeoVampire
05-01-2010, 10:03 PM
Leo with those headers are you using I have the 4 high flow cats or 2, I know the stock ones come with 4 cats, i was just wondering if going with long tube headers we run only 2 cats ?



The SW Maucat system comes with 2 high flow cat's only and a connection pipe that goes from the back of the cats to the H-Pipe that also houses the rear bung holes for the rear 02 sensors.

The long tube headers have the bungs for the front 02 sensors. So the set up eliminates 1 set of cats on the car.

bawazir
05-01-2010, 10:18 PM
The SW Maucat system comes with 2 high flow cat's only and a connection pipe that goes from the back of the cats to the H-Pipe that also houses the rear bung holes for the rear 02 sensors.

The long tube headers have the bungs for the front 02 sensors. So the set up eliminates 1 set of cats on the car.



Nice so basically from 4 cat to 2, i bet your check engine light come up right ?

Taemian
05-01-2010, 10:23 PM
The H-pipe on back in the system is fine for being a non S/C car and you will get a great new sound and some extra power just with the headers and high flow cats.

You only need to open the exhaust up more when your running a lot more power on the engine.

+2. Headers on an N/A car don't give you much, terrible bang for the buck unless you go s/c.

LeoVampire
05-01-2010, 10:32 PM
Nice so basically from 4 cat to 2, i bet your check engine light come up right ?

Not at all I have the 4 02 sensors in and they sit right where they should. No lights no problems.

It's when someone screws up and puts the bungs in the wrong place when a code might come up.

As long as you have them before and after the cats you are good to go.

FordNut
05-01-2010, 11:53 PM
+2. Headers on an N/A car don't give you much, terrible bang for the buck unless you go s/c.

Kooks long tube headers made a huge difference for me, and I was NA at the time. One of the best power mods I ever did while NA.

LANDY
05-02-2010, 12:17 AM
i agree wth FordNut, it took me from 14.1 to consistant 13.8.

Black_Out
05-02-2010, 08:49 AM
+2. Headers on an N/A car don't give you much, terrible bang for the buck unless you go s/c.

LT headers and 2.5 inch tubing will make a huge difference, and should be one of the first mods you do. It will net you more power, and if you do any power adders in the future (cams, or even SC) your will get the maximum gain from them.

ImpalaSlayer
05-02-2010, 08:52 AM
i cant say i noticed a huge diff with the headers but i had other issues at the time, like a cracked intake

LeoVampire
05-02-2010, 09:18 AM
Thanks For comming to the rescue I didn't want to argue about it.

But headers long or short have been a mainstay in performance up grades on non S/C cars for many many years so it will always be a good idea to put them on a performance car.

It's a lot of money yes like most up grade's or mod's now a days but in the end worth it if you can swing them.

Thanks again guys :beer:

Black_Out
05-02-2010, 09:58 AM
Thanks For comming to the rescue I didn't want to argue about it.

But headers long or short have been a mainstay in performance up grades on non S/C cars for many many years so it will always be a good idea to put them on a performance car.

It's a lot of money yes like most up grade's or mod's now a days but in the end worth it if you can swing them.

Thanks again guys :beer:

Definately :D I think it's a harder decision for these cars because they are so pricey, but on any other car, like a mustang or a camaro ect, headers are a must have. Can't beat that sound. And hey, an extra 10-20hp? Why not :burnout:

Black_Out
05-02-2010, 10:00 AM
This year I'll be going with the full Kooks package, I might go with different muffs though. I wish SW made LT's for the vics.

Next year comes the Trickflow twisted wedge top end kit. 380hp out of a 2v with the stock plastic intake. :D

guccijayda
05-18-2010, 05:03 PM
kooks came in!! Looks amazing... will get it installed latest by next week!

breeze
05-18-2010, 05:15 PM
bet u cant wait to hit the track now...wait till it gets cold again and hit cecil, youll be so proud....

computertech
05-19-2010, 02:50 AM
My Marauder is S/C , with bone stock exhaust, does anyone have an idea of power gains going with long tube headers and x pipe ?thanks

:burnout:

guccijayda
05-19-2010, 07:23 AM
My Marauder is S/C , with bone stock exhaust, does anyone have an idea of power gains going with long tube headers and x pipe ?thanks

:burnout:

its around 30-50 whp on top of the s/c

guccijayda
05-19-2010, 07:33 AM
oops

http://farm5.static.flickr.com/4048/4621757266_6ee2d89a42_b.jpg
http://farm5.static.flickr.com/4050/4621149795_65464da740_b.jpg
http://farm5.static.flickr.com/4047/4621757208_95e2b81512_b.jpg
http://farm5.static.flickr.com/4067/4621149759_41af4803d4_b.jpg
okk ok guys... ill let you in on a lil preview...
http://farm5.static.flickr.com/4061/4621769228_bfc6c1601d_o.jpg

RR|Suki
05-19-2010, 07:56 AM
My Marauder is S/C , with bone stock exhaust, does anyone have an idea of power gains going with long tube headers and x pipe ?thanks

:burnout:


I had stock manifolds, and then 2.5" exhaust behind that with 2 hi flow cats. My best MPH at the track was 109.9
I put on LT headers with 3" collectors and full 3" exhaust, my MPH in the 1/4 mile went up to 118


PS Nice pics man, the headers look good too :2thumbs:

guccijayda
05-19-2010, 08:55 AM
I had stock manifolds, and then 2.5" exhaust behind that with 2 hi flow cats. My best MPH at the track was 109.9
I put on LT headers with 3" collectors and full 3" exhaust, my MPH in the 1/4 mile went up to 118


PS Nice pics man, the headers look good too :2thumbs:


Thanks bro! awesome trap speeds!!

bawazir
05-21-2010, 04:13 PM
Thanks bro! awesome trap speeds!!

Dude who's that fine looking lady, Damn i wish i'd:drool: hit that

cougar9150
05-21-2010, 04:18 PM
Dude who's that fine looking lady, Damn i wish i'd:drool: hit that

:shake: :down:
Not cool. One thing to say "You have nice looking lady" but that comment is a more than a little distasteful. If that was my wife/girl we would have issues.

bawazir
05-21-2010, 04:27 PM
:shake: :down:
Not cool. One thing to say "You have nice looking lady" but that comment is a more than a little distasteful. If that was my wife/girl we would have issues.

Relax buddy i knew it was not his gf. and if it was Damn am sorry okay! :tantrum:

cougar9150
05-21-2010, 04:29 PM
Relax buddy i knew it was not his gf. and if it was Damn am sorry okay! :tantrum:

I am relaxed, one of the most mellow guys you could meet. Learn some tact and not to act like an ass all the time. Put the filter on your mouth, or should I say on your finger tips before you type.

bawazir
05-21-2010, 04:30 PM
I am relaxed. Learn some tact and not to act like an ass all the time.

Why are u like this?

cougar9150
05-21-2010, 04:32 PM
Why are u like this?

yup, it's called growing up.

bawazir
05-21-2010, 04:34 PM
yup, it's called growing up.

So what do you want?

justbob
05-21-2010, 04:37 PM
Not me, I'd take it as a compliment, especially knowing you CAN'T hit what is mine. Most guys however, them would be fightin words...

Anyways, back to topic. That is one sweet package you got in the mail!

bawazir
05-21-2010, 04:38 PM
Not me, I'd take it as a compliment, especially knowing you CAN'T hit what is mine. Most guys however, them would be fightin words...

Anyways, back to topic. That is one sweet package you got in the mail!

which one the fine looking girl, or them KOOKS ?Man i cant stop looking at her

SC Cheesehead
05-21-2010, 04:56 PM
Why are u like this?


-------------:shake:-------------

guccijayda
05-21-2010, 05:12 PM
Dude who's that fine looking lady, Damn i wish i'd:drool: hit that

Haha yea fortunately shes not my wifey. shes just one of my ladies, since I have many...jk. shes has a fat onion B%%ty.

guccijayda
05-21-2010, 05:14 PM
Not me, I'd take it as a compliment, especially knowing you CAN'T hit what is mine. Most guys however, them would be fightin words...

Anyways, back to topic. That is one sweet package you got in the mail!


Thanks! I'm getting the kooks installed on the 26th of may!!I may have before and after E.T's with only the addition of kooks. Can't wait... it'll be a teaser warmup so I wont faint when I get the s/c.:banana2:

justbob
05-21-2010, 05:24 PM
Haha yea fortunately shes not my wifey. shes just one of my ladies, since I have many...jk. shes has a fat onion B%%ty.
Fat onion booty:lol:

Thanks! I'm getting the kooks installed on the 26th of may!!I may have before and after E.T's with only the addition of kooks. Can't wait... it'll be a teaser warmup so I wont faint when I get the s/c.:banana2:
You will LOVE the sound.

RR|Suki
05-21-2010, 05:38 PM
she has a fat onion B%%ty.

The best kind.

What S/C are you getting?

*edit* never mind, I see the pic now, completely missed it before. :D

bawazir
05-21-2010, 06:26 PM
Thanks! I'm getting the kooks installed on the 26th of may!!I may have before and after E.T's with only the addition of kooks. Can't wait... it'll be a teaser warmup so I wont faint when I get the s/c.:banana2:

Is them Headers are heat coated ?, look nice

guccijayda
05-21-2010, 08:10 PM
Is them Headers are heat coated ?, look nice

no just stainless steel.

bawazir
05-21-2010, 08:14 PM
no just stainless steal.

dude u should get them coated or they will discolor,, and hook me up with that girl # :D Ones again i cant stop looking at her

tjl006
05-21-2010, 08:15 PM
dude u should get them coated or they will discolor,, and hook me up with that girl # :D Ones again i cant stop looking at her

I think the headers look good when they discolor and turn blue, but thats just me.

musclemerc
05-22-2010, 09:58 AM
I'm running chrome shorty's and they are bluing real nice.

guccijayda
05-27-2010, 09:35 PM
just got the kooks installed!! WOW!! I love it, it is so much louder and I can def feel some performance gains!!

musclemerc
05-28-2010, 06:04 AM
Don't forget to dyno tune it for the A/F ratio adjustment.