C Coupe Supersprint headers
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C Coupe Supersprint headers
part number 843901.
Its on their site www.supersprint.com under cl203
Is there a noticeable performance gain? Im sure its a royal pain to install a new header, but would it be worth it?
I just got a 2002 C230, and did an intake on it yesterday. Results were great when cold, but that metal pipe just conducts heat when its hot, made bad throttle response.
I plan on doing the asp pulley route, but should I break my car in all the way? I only got 184 on the odometer.
I would like to do the headers, but im not sure if the performance is worth it.
Its on their site www.supersprint.com under cl203
Is there a noticeable performance gain? Im sure its a royal pain to install a new header, but would it be worth it?
I just got a 2002 C230, and did an intake on it yesterday. Results were great when cold, but that metal pipe just conducts heat when its hot, made bad throttle response.
I plan on doing the asp pulley route, but should I break my car in all the way? I only got 184 on the odometer.
I would like to do the headers, but im not sure if the performance is worth it.
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From: Laguna Niguel, CA
Doing a complete supersprint exhaust may get you a few HP but it will be very expensive cost per HP. My guess is that the complete exhaust is $1,500 and you may get 4-5 more hp. Does Supersprint have any dyno or performance numbers? Also those 4-5 HP will happen way high in the rev range and you may not feel it in your day to day driving. I was looking at doing the Supersprint cat back but more for sound than power.
The biggest annoyance I get out of the coupe is that you lose so much power after a few short full throttle runs because of the intercooler getting heat soaked. I'll let you know in a week or so how the Renntech intercooler works out but I expect it to perform not only better in the cool morning but be the same throughout the day. To me, that's the next best bang for the buck after the pulley and it's pretty much risk free as you are benefitting the engine by running cooler.
As for doing a pulley kit with low miles, it will take a month to get the pulley from ASP and then maybe a week or two until you get around to installing it. By then you'll have some more miles. I was ready to do a pulley as soon as I got my car but there wasn't any around at the time.
The biggest annoyance I get out of the coupe is that you lose so much power after a few short full throttle runs because of the intercooler getting heat soaked. I'll let you know in a week or so how the Renntech intercooler works out but I expect it to perform not only better in the cool morning but be the same throughout the day. To me, that's the next best bang for the buck after the pulley and it's pretty much risk free as you are benefitting the engine by running cooler.
As for doing a pulley kit with low miles, it will take a month to get the pulley from ASP and then maybe a week or two until you get around to installing it. By then you'll have some more miles. I was ready to do a pulley as soon as I got my car but there wasn't any around at the time.
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From: Laguna Niguel, CA
Randy did some dynos where he got about 10-15hp across the entire powerband. Add to that the 10hp you are now losing after a few quick runs to redline and the effective gain can be 25hp over what you have now. From what I understand they are showing about a 100F degree drop from inlet to outlet and 30% better flow. He said after a few runs to redline it's cool enough on the outlet side to put your hand on it, can't do that with the stock one. Of course the gain all depends on how hot it is and how hard you driving your car. On a cool drizzly day you'll still get a boost but maybe not as much. On a warm sunny day you should notice a big improvement. That's why it's tough to evaluate an intercooler just on quick dyno results, consistant top power is what I'm after.
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I would expect about 10 hp, maybe more, from the header. A complete exhaust including a high flow cat might get more than 15 hp. The stock exhaust manifold is said to be very restrictive. From the cat the exhaust is very efficient.
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as for randys intercooler, i drove his car in the fl heat for like 30 minutes and after we got back the outlet of the IC was extremely cool to the touch, compared to the inlet side which was blazing hot. i can verify that this did work.
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From: Los Angeles
2002 c230k
I would not be surprised at all if the headers gave at least 10hp on the top end. Most stock exhausts are not optimised for the top end, they are done for drivability in the low to mid range. Make sure you dont loose power where you use it more often just to get it on the high end.
Buellwinkle, the reason most people don't do headers is smog certifcation problems and installation difficulties.
Buellwinkle, the reason most people don't do headers is smog certifcation problems and installation difficulties.
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From: SF Bay Area
2002 C230 K
I think that the headers should have a pretty good hp increase. The stock manifold looks pretty restrictive to me. The headers should provice even more power for the pulley equipped cars - all that extra boost has to be exhausted somewhere. The only downside is that headers will run hotter than the stock exhaust, will probably make a better intercooler even more desirable with all of the extra underhood heat.
- BT
- BT
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Originally posted by Buellwinkle
How much are the Supersprint headers and would you do only the headers without changing the rest of the exhaust and still get the performance increase?
How much are the Supersprint headers and would you do only the headers without changing the rest of the exhaust and still get the performance increase?
Sorry, somtimes I just can't help it.
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Joined: Jan 2002
Posts: 875
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From: Los Angeles
2002 c230k
Originally posted by Buellwinkle
How much are the Supersprint headers and would you do only the headers without changing the rest of the exhaust and still get the performance increase?
How much are the Supersprint headers and would you do only the headers without changing the rest of the exhaust and still get the performance increase?
MBWorld Fanatic!
Joined: Nov 2001
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From: SF Bay Area
2002 C230 K
Originally posted by Buellwinkle
How much are the Supersprint headers and would you do only the headers without changing the rest of the exhaust and still get the performance increase?
How much are the Supersprint headers and would you do only the headers without changing the rest of the exhaust and still get the performance increase?
- BT
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From: Los Angeles
2002 c230k
Originally posted by trench
If I get the headers I will probably leave the rest of the exhaust stock. I'm not impressed with the way the exhaust manifold is designed - as mdp c230k explained, headers will do a much better job of extracting exhaust from the cylinders. However, I think the rest of the exhaust is OK and only minimal gains would be obtianed by replacing it.
- BT
If I get the headers I will probably leave the rest of the exhaust stock. I'm not impressed with the way the exhaust manifold is designed - as mdp c230k explained, headers will do a much better job of extracting exhaust from the cylinders. However, I think the rest of the exhaust is OK and only minimal gains would be obtianed by replacing it.
- BT
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From: MI
2003 C230K, 6 spd, Brilliant Silver, C-5, C-7, CD changer
Originally posted by Buellwinkle
How much are the Supersprint headers and would you do only the headers without changing the rest of the exhaust and still get the performance increase?
How much are the Supersprint headers and would you do only the headers without changing the rest of the exhaust and still get the performance increase?
The only thing a supercharged engine knows is backpressure, reduce it and power goes up.
Member
Joined: Sep 2002
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From: MI
2003 C230K, 6 spd, Brilliant Silver, C-5, C-7, CD changer
Originally posted by Buellwinkle
So what would you do to increase performance? Larger exhaust diameter, higher flow muffler/resonator?
So what would you do to increase performance? Larger exhaust diameter, higher flow muffler/resonator?
That manifold sure is ugly though, might want to change just for that
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From: Los Angeles
2002 c230k
Originally posted by DCXdynodog
Usually the cat is the worst restriction and you are correct, a catback sytem change would buy a little but probably 5 or less.
Usually the cat is the worst restriction and you are correct, a catback sytem change would buy a little but probably 5 or less.
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From: SF Bay Area
2002 C230 K
Originally posted by DCXdynodog
Unless the manifold is the highest restriction in the system you will see no gain at all on a supercharged engine. .... The only thing a supercharged engine knows is backpressure, reduce it and power goes up.
Unless the manifold is the highest restriction in the system you will see no gain at all on a supercharged engine. .... The only thing a supercharged engine knows is backpressure, reduce it and power goes up.
- BT
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From: MI
2003 C230K, 6 spd, Brilliant Silver, C-5, C-7, CD changer
Originally posted by mdp c230k
Didn't I just say this?
Didn't I just say this?
In short: change the cat restriction enough, then the catback becomes an issue, then the manifold/header *may* become an issue.
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From: Los Angeles
2002 c230k
Originally posted by DCXdynodog
Yes, except you stated the header alone would help and that is wrong, unless the flow restriction from the cat is less than the flow restriction from the manifold, which it won't be.
In short: change the cat restriction enough, then the catback becomes an issue, then the manifold/header *may* become an issue.
Yes, except you stated the header alone would help and that is wrong, unless the flow restriction from the cat is less than the flow restriction from the manifold, which it won't be.
In short: change the cat restriction enough, then the catback becomes an issue, then the manifold/header *may* become an issue.
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Joined: Jun 2002
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From: So. Oregon Coast
C230 Sport Coup + 2006 W164 ML350 + 99 Ford Escort RIP
This is a major big time old thread, but I just recently got my 2nd major
engine mod fully sorted out today...got flanges welded onto the header, to replace the lame connecting piece that was included by Supersprint.
Still it was good enough to drive with till I could get to the muffler shop, but the leakage was killing the power and it was hella noisey.
So, I can say, that with the SS header, and ASP pulley,
Daaayyyymmm!
This thing is a beasty now.
Gave her a serious thrashing tonight in Bonny Doon,
which is a little out of the way place in Santa Cruz county, that has one of the best roads to go fast on around, Empire Grade. Watch out for the deer though.
Of course it's still not an M3, but damn fun to drive.
I believe the header is only rated at about a 10hp increase, but in
conjuction with Pulley and the used Remus exhaust I put on a while back,
my butt dyno says I picked up a good 20 hp.
I'm getting such oversteer, even with C32 bars.
I think maybe I'd like to fix that...
maybe a thicker rear bar?
Anyway, there was so much talk about the SS header, but not many people bought them.
Too bad. At one point it was being offered for like $650.
Not anymore.
engine mod fully sorted out today...got flanges welded onto the header, to replace the lame connecting piece that was included by Supersprint.
Still it was good enough to drive with till I could get to the muffler shop, but the leakage was killing the power and it was hella noisey.
So, I can say, that with the SS header, and ASP pulley,
Daaayyyymmm!
This thing is a beasty now.
Gave her a serious thrashing tonight in Bonny Doon,
which is a little out of the way place in Santa Cruz county, that has one of the best roads to go fast on around, Empire Grade. Watch out for the deer though.
Of course it's still not an M3, but damn fun to drive.
I believe the header is only rated at about a 10hp increase, but in
conjuction with Pulley and the used Remus exhaust I put on a while back,
my butt dyno says I picked up a good 20 hp.
I'm getting such oversteer, even with C32 bars.
I think maybe I'd like to fix that...
maybe a thicker rear bar?
Anyway, there was so much talk about the SS header, but not many people bought them.
Too bad. At one point it was being offered for like $650.
Not anymore.
Senior Member
Joined: Mar 2006
Posts: 274
Likes: 0
From: rochester, MI
2002 C230 K, 6 speed
This is a major big time old thread, but I just recently got my 2nd major
engine mod fully sorted out today...got flanges welded onto the header, to replace the lame connecting piece that was included by Supersprint.
Still it was good enough to drive with till I could get to the muffler shop, but the leakage was killing the power and it was hella noisey.
So, I can say, that with the SS header, and ASP pulley,
Daaayyyymmm!
This thing is a beasty now.
Gave her a serious thrashing tonight in Bonny Doon,
which is a little out of the way place in Santa Cruz county, that has one of the best roads to go fast on around, Empire Grade. Watch out for the deer though.
Of course it's still not an M3, but damn fun to drive.
I believe the header is only rated at about a 10hp increase, but in
conjuction with Pulley and the used Remus exhaust I put on a while back,
my butt dyno says I picked up a good 20 hp.
I'm getting such oversteer, even with C32 bars.
I think maybe I'd like to fix that...
maybe a thicker rear bar?
Anyway, there was so much talk about the SS header, but not many people bought them.
Too bad. At one point it was being offered for like $650.
Not anymore.
engine mod fully sorted out today...got flanges welded onto the header, to replace the lame connecting piece that was included by Supersprint.
Still it was good enough to drive with till I could get to the muffler shop, but the leakage was killing the power and it was hella noisey.
So, I can say, that with the SS header, and ASP pulley,
Daaayyyymmm!
This thing is a beasty now.
Gave her a serious thrashing tonight in Bonny Doon,
which is a little out of the way place in Santa Cruz county, that has one of the best roads to go fast on around, Empire Grade. Watch out for the deer though.
Of course it's still not an M3, but damn fun to drive.
I believe the header is only rated at about a 10hp increase, but in
conjuction with Pulley and the used Remus exhaust I put on a while back,
my butt dyno says I picked up a good 20 hp.
I'm getting such oversteer, even with C32 bars.
I think maybe I'd like to fix that...
maybe a thicker rear bar?
Anyway, there was so much talk about the SS header, but not many people bought them.
Too bad. At one point it was being offered for like $650.
Not anymore.
Member
Joined: Nov 2004
Posts: 202
Likes: 0
From: Huntington Beach, California
2002 C230 Coupe
I'm getting such oversteer, even with C32 bars.
I think maybe I'd like to fix that...
maybe a thicker rear bar?
Anyway, there was so much talk about the SS header, but not many people bought them.
Too bad. At one point it was being offered for like $650.
Not anymore.
The C32 bars are thicker than stock and give you flatter, more neutral handling. If you think your oversteer is bad now, don't install thicker rear bars. That will only increase your oversteer.
I suggest either a lighter throttle foot to balance the chassis, staggered rims/tires to increase rear grip or a larger front bar to increase understeer.
Bob
