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2.4 type S Race manifold & full exhaust system

Zahir

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Manchester
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Accord
Hey guys

I've also been thinking about replacing the stock manifold and exhaust system with an after market race type, to help it breathe better, the CAI is already planned in. Can anybody recommend a race manifold and full exhaust for this car and how much they are likely to cost. Following this install I'm looking to remap the ECU for decent bhp gains.

Also anybody know what the purpose of the catback exhausts is, I think they are designed to maximise the exhaust gas flow, and in turn give an increase in bhp?

I've seen Skunk 2 full exhaust systems and Grredy systems, but look a bit pricey, are they worth it?

Also not looking for a chavvy or boy racer sound, but something you can live with i.e. not deafeningly noisy on the motorway, but has a presence when you call your right foot in.

thanks,

Zahir
 
Not sure what's available from a manifold perspective but yes a Catback free flow exhaust is designed to de-restrict the car and provide some power gains. A de-cat would include removal of the cat (but that's likely to give you problems at MOT time on the emissions test).
 
The manifold has to be a K24 specific as out manifolds dip stright down and under the subframe, where as K20 manifolds for ep3/dc5/fd2 all slope down gradually as they go over the subframe so its impossible to fit one of them to our cars.

There are however a few options specifically for the K24, the cheapest being the ceramic DC Sports 4-2-1 2-piece. The collector is only 2.25" so if that puts you off like most you'd be better off with either a Weapon R 4-2-1 1-piece stainless manifold that also comes with its own decat pipe, its got a 2.5" collector which is better to pair to a 2.5" system. Or the one im looking at is the PLM K24 race manifold, its a 4-2-1 2-piece slip fit with super long secondary bores meaning the decat it comes with is tiny. The problem with this one is that you'd have to swap the entire manifold back to stock come mot time as there's no space for the original cat to fit. Doesnt put me off though, :lol:

I know of a guy on another forum who has just recently paired a weapon r race manifold, plus the decat to his skunk 2 exhaust on his CL9 Type S. He's still to get some videos but he says the noise and the gains are crazy! B)

If you're after a quality sound, i'd suggest the Fujitsubo Legalis R, as its the best sport sounding exhaust system ever made in my opinion. The good news is they make a duplex system for our cars, the bad news is its gonna be well over £1000 as its such a rare system. There wont be uk stock to it'd have to be a special order item from japan :eek:
 
or jsut go to a exhaust place with good rep and get a custom made system.
 
true dat, i got a custom 2.5" mandrel bend centre section with crush bent pipes for the backboxes and 6" cans with 3" grade 316 tips, lol.

I think the sound of a buddy club pro spec would be pretty good too B)
 
Wheres the best place to get hold of a race manifold and full catback exhaust. Also any ideas where i can get hold of a high flow cat? So i have an MOT friendly free flowing system, and what should i expect to pay for this setup?

Also interested in the custom made exhaust, how do these compare with the likes of the manufactured units like weapon r, skunk, Grredy etc?
 
I buy all my stuff from funkypower.com although they wont have the manifolds in stock as they'll be special order from america so you'd be looking at a couple week wait for one of them to come in the next container. I know they've got the skunk2 exhausts in stock as one of my mates on another forum got one of them recently. Not too sure about buddyclub pro specs though. They definitely dont hold stock of greddy exhausts in accord fitment as that will also be special order. There are a couple of high flow cats specifically for our CL9's im sure one is by fastline, again that would be a special order item.

Custom exhausts are great as you can spec the system exactly as you would like with bore size, backbox size, tailpipe size and sound loudness. The cost all depends on what options you go for. The manufactured systems have great quality and fit first time so its a lot quicker to get one of these systems fitted.
 
I ordered my DC sports mani from ebay (america) and got my high flow sports cat from Heeltoe Automotive (also america), got the main system custom built 2.25" stainless steel fitted from local specialist.
I have had no problems with MOT with heeltoe sports cat it comes with built in o2 spacer to avoid any ecu errors and with the cat, mani, full system and K&N typhoon there is definite noticable horse power, last piece of jigsaw is to get the car to XO power for remap to complete the upgrade.
 
I quite like the look and sound of the Greddy Evo2 catback system, anyone here have any experience of them? Also can anyone recommend a manifold and sports cat that will go straight on with the Greddy Evo2 without having to mess about with welding etc.
 
Are they not discontinued?
 
Hi Oz,

Do you have a link for the PLM K24 race manifold ?
How about the Comptech headers , what do you think?
 
https://www.privatelabelmfg.com/product_p/plm-hk24-header.htm

I dont know if the comptech manifold has a 2.5" collector, if it does then its good too, lol :lol:
 
The decat pipe on the PLM looks really tiny, looking at it I don't think this would fit onto the stock cat without having to weld etc. Are there any options where you can get one that is sized to fit a stock or race cat?

Heres a link to the Greddy Evo 2 exhaust I'm trying to marry the manifold and sports cat up with, so they fit straight on without having to mess about.

http://www.hondaperformanceparts.co.uk/Greddy_Evo2/Greddy_EVO2_Exhaust_System_Accord_2_4_Saloon_CL9_03-08_Dual_Muffler/
 
You cant use the standard cat with the plm manifold as the secondary bores are so long. Thats the reason the decat pipe is tiny, it takes up the remaining space till the start of the b-pipe. If you want to use a cat with a race manifold then i suggest something like the weapon r as you can still fit your cat to that and its got a 2.5" collector

I was right, the evo 2 has been discontinued. Click TSX on this link to see:

http://www.greddy.com/products/exhausts/other-exhaust/filter:make:Acura/

I was sure it was discontinued, if you order from hond-r they'll find out its discontinued and let you know. There may be some kicking about somewhere in america but i think they'd be hard to find
 
Thanks Oz, do you know which model weapon R will fit a stock or race cat, as the weapon R I've seen comes with a decat pipe which has the standard 3 bolt fitment on the exhaust side but only a two bolt fitment on the manifold side, whereas the cat has a 3 bolt fitment on both sides.

It's a shame Greddy have discontinued the Evo 2 as it looked like such a sweet exhaust, any idea why? have they brought out an alternative? or do you know what's the nearest thing to it available now.

Do you have any links for good header and sports cat, and cat back exhaust that can be paired together?

cheers
 
As far as i know greddy no longer make any exhausts for the CL9. I may be wrong though so have a search about parts vendors especially in the states to see if they do anything for the CL9 TSX. If you dont want to use the decat on the weapon r i know of a guy on another accord forum who's gonna chop it and get a sports cat welded in for passing mot emissions. I think a cheap and cheerful manifold that bolts right up is the dc sports ceramic 2 piece, but the collector is only 2.25" and i think on the K24 thats a bottle neck in the exhaust flow.

The Evo2 was a unique style exhaust, ive never seen anything like it, even making a custom copy would cost mega bucks as you'd need to polish the welds on the backbox to make it look the same, but even trying to make the same shape cans would be difficult in itself.

www.heeltoeauto.com have the biggest list of mods available for the CL9 so thats a good site to reference. Thats where allan from glasgow got his fastline sports cat from that he bolted right up to his dc sports manifold.
 
If you mate the Skunk2 cat back system to the WeaponR mani then you should actually see pretty good gains.

It's up to you which kind of cat you want to fit B)
 
Dude i know on another accord forum has done exactly that! Weapon R header with the decat mated to a skunk2 exhaust! B)
 
Dude i know on another accord forum has done exactly that! Weapon R header with the decat mated to a skunk2 exhaust! B)
B) B) B) B) B) B) And it looks amazing!!!!!!! I told him about the Skunk2 system on Facebook, and apparently you recommended the same :lol: :lol:
 
How difficult a job is it to weld a sports cat to the Weapon R, if it's not too difficult I'll go for that option, don't want to mess about at MOT time.

I hear the Skunk 2 catback system is good but very loud, great for a rally day but I don't think I could live with it. As the Greddy EVO 2 has gone I've narrowed it down to 3 alternatives, how would you rate the below in terms of noise, tone, looks, power gains.

Fujitsubo Legalis R
Tanabe Medalion Touring
APEXi Worldsport II

There are a lot more tuning bits available for the Acura TSX CL9 in America, is this basically the same car as a 7th generation Accord or is there any differences? need to know before I start making purchases from America.

thanks
 
Why don't you guys choose Comptech full exhaust ( headers + catback) instead of buying the header from there the catback from the others, etc ...
These guys spent a lot of development on this car (CL9) and they made a lot of parts for it, including a supercharger, too.
 
Oh the fujitsubo legalis r is probably the best sounding subtle exhaust ever. Shame its got a 4 figure retail price!

The cl9 is essentially same as ours bar the lhd and the engine and gearbox internals are slightly different. All bolt on stuff is perfect fit though.
 
Been thinking about a full stainless steel custom system (Manifold + Sport catalytic converter + Catback exhaust) all in 2.5" stainless steel, as it takes the hassle out of messing about trying to fit the various branded sections together i.e. Weapon R or PLM with another cat and another exhaust etc. What do you guys think?

How do the custom systems compare against the branded ones? i.e. performance, quality of materials i.e. steel grade, thickness, polish, finish etc.
The same for the custom manifold - how does it compare with the branded ones?

Can anyone recommend a good manufacture/ fitter in the northwest for our cars, where I know I'll get a pucker job done.

Can anyone give me an idea of what I should look to pay for this setup? From what I've seen custom systems appear to be cheaper than the branded ones.

Thanks
 
Yup, custom is totally easier to get whatever style/sound you're after. You can choose normal grade stainless steel or the better grade called 316 or something. 2.5" will be perfect for the bore size and you could get a mandrel bent system made to make sure the gas flows at its best. It does cost more though but again it depends how you want the system made. The crush bent systems are cheaper as some people say the inhibit gas flow due to the crushing of the pipe it actually makes the bore smaller by using crush bends too.

Ive been told i could get a custom manifold done too but i dont think the quality would be good enough to satisfy me. The last thing i want is to keep returning to get any blows re welded. Thats just my personal opinion, plus the labour in making a custom manifold might end up costing more than the purchase price of an off the shelf manifold.

Fahad had his system made by zorstec or something of that name down his ends, he's a bradford boy so i think thats within a stones through of manchester isn't it? Cost wise it all depends if you go for the best grade with mandrel bends, or normal grade with crush bends, whether you go for a custom manifold or not, or if you go for a sports cat or not. Its best to get actual quotes from garages first as i'd just be plucking figures out of thin air. I got my exhaust, stoptech's and spoiler all done at once and paid a lump sum so i cant remember what i paid individually for the exhaust. My system is a 2.5" bore standard stainless steel exhaust with mandrel bends for the centre section, then crush bends for the backbox piping to make sure i dont make it too free flowing that it loses torque bottom end, then i've got twin 6" backboxes with 3" grade 316 tips. There's pics in my thread if you want to take a look
 
As I said before these guys spent a lot of development for this car with Hondata also (compared with others who did very little) , so they made a lot of parts for this car, so if you want
the best I'll we go with this: http://www.ct-engineering.com/ProductLineup/AcuraTSX/tabid/866/Default.aspx , you have full exhaust (catback + headers), intake, supercharger, camber kits, anti-toll bars, short shifters ... and other parts ...
 
UK seller of the comptech manifold if you decide to go for that one, at least its not as crazily priced as the toda manifold, thats £1200+ :eek:

http://www.funkypower.co.uk/catalogue.php?make=HONDA&model=ACCORD&year=03%2B+ACCORD&level1=EXHAUSTS+%26+EXHAUST+MANIFOLDS&level2=MANIFOLDS&level3=POLISHED+STAINLESS+STEEL&id_product=7174
 
£700 for a mani is acutally a good price beleive it or not :lol: :lol: :lol:

With regard to the zorst, as Oz has said, just make sure if you go for a custom jobbie that is mandrel bent.
 
Hi guys, I know it's really old thread lol but I didn't want to open new one just to ask one question. What gains can I expect in 2.4 auto cl9 remapped, with drop in k&n panel filter, if I replace stock exhaust manifold for dc sports 4-2-1? Or all above AND proper cai? Worth investing without replacing cat and rest of the exaust?
Thanks
 
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