BOSS 302 Intake Manifold for 2011 GT
6/8/11, 09:30 AM
#22
GT Member
Join Date: February 11, 2011
Location: Indianapolis
Posts: 164
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by ShowCar
I installed mine about two weeks ago. My take on it is this,
1. Less than one hour install
2. Looks great
3. The car pulls hard above 5,000 all the way to 7,300rpm.
4. I bought it all from Steeda with their tune and it works great.
Spend the money on it for its a great part and works as advertised. I didnt notice any low end torque missing but I have 3.73 gears so that might be why.
Heres a write up I did.
http://www.drscars.info/showthread.p...oss-302-Intake
Picture of the intake done.
Hope this helps with your decision.
1. Less than one hour install
2. Looks great
3. The car pulls hard above 5,000 all the way to 7,300rpm.
4. I bought it all from Steeda with their tune and it works great.
Spend the money on it for its a great part and works as advertised. I didnt notice any low end torque missing but I have 3.73 gears so that might be why.
Heres a write up I did.
http://www.drscars.info/showthread.p...oss-302-Intake
Picture of the intake done.
Hope this helps with your decision.
6/8/11, 09:46 AM
#23
Member
Join Date: February 13, 2007
Posts: 40
Likes: 0
Received 0 Likes
on
0 Posts
Here's my dyno sheet with the Boss intake. The car has a BBR tune, JLT CAI, Magnaflow O/R X-pipe, Magnaflow catback, and the BOSS intake. Run 9 is same setup with stock intake. It cuts off a little early but looks exactly like everyone else's Boss intake dynos. Loss of 10-20 hp and tq from 3500-5500, dead even from 5500-6500, and huge gains from 6500-7500. If you extrapolate where those lines are going the gains at 7500 are 40+ rwhp. Don't let the loss of midrange scare you. I couldn't notice it but I sure as hell can feel something is up that last thousand RPM before my Raptor lights up (7,500)! 
6/8/11, 10:52 AM
#24
Member
Join Date: February 23, 2011
Posts: 24
Likes: 0
Received 0 Likes
on
0 Posts
I have the Steeda CAI and tune which is the best of 3 tunes I have tried. I wonder if the Steeda venturi (velocity stack) is making the difference with the Boss intake and low torque. I have not read one complaint about theBoss/Steeda combo. I will get the Boss when I get cams installed.
Very glad to hear you are considering the Boss package from Steeda and glad to hear you're happy with our CAI tune. Our calibrators have worked really hard to get it right. Indeed our exclusive Velocity Stack design is making the difference over other systems by providing a cleaner MAF signal for easier tuning for better drivability and better power. There are lots of options out there, it's just important to do your research.
6/8/11, 04:16 PM
#25
Shelby GT350 Member
Here's my dyno sheet with the Boss intake. The car has a BBR tune, JLT CAI, Magnaflow O/R X-pipe, Magnaflow catback, and the BOSS intake. Run 9 is same setup with stock intake. It cuts off a little early but looks exactly like everyone else's Boss intake dynos. Loss of 10-20 hp and tq from 3500-5500, dead even from 5500-6500, and huge gains from 6500-7500. If you extrapolate where those lines are going the gains at 7500 are 40+ rwhp. Don't let the loss of midrange scare you. I couldn't notice it but I sure as hell can feel something is up that last thousand RPM before my Raptor lights up (7,500)!
If you add some other equipment and are willing to spin it faster than Ford intended...50rwhp is certainly possible.
6/8/11, 05:54 PM
#27
Bullitt Member
Join Date: July 7, 2010
Posts: 416
Likes: 0
Received 0 Likes
on
0 Posts
6/8/11, 07:25 PM
#28
Shelby GT350 Member
Brother, that's a picture of some squiggly lines. How about a link? If that car didn't have a CAI on it at least I'll admit that I was wrong.
So check this link out...
http://www.steeda.com/store/mustang-...-manifold.html
This is from steeda's own advertising...nice dyno plot, took 7500 rpm and a cai to get that peak number though.
So check this link out...
http://www.steeda.com/store/mustang-...-manifold.html
This is from steeda's own advertising...nice dyno plot, took 7500 rpm and a cai to get that peak number though.
Last edited by MRGTX; 6/8/11 at 07:31 PM.
6/8/11, 07:33 PM
#30
Shelby GT350 Member
FWIW, I'm not saying that it's not a great mod..I want one and I think it's well worth the cash.... but to really take advantage of it, there is more than a bolt-on involved.
6/9/11, 02:17 PM
#31
Bullitt Member
Join Date: July 7, 2010
Posts: 416
Likes: 0
Received 0 Likes
on
0 Posts
http://www.steeda.com/store/steeda-p...d-mustang.html
So it's a 15hp increase from the stock manifold if were comparing apples to apples?
Lol
So it's a 15hp increase from the stock manifold if were comparing apples to apples?
Lol
For those of us thrilled by the idea of 7500 RPM and pulling like a freight train all the way there, the BOSS intake is crazy bang for the buck. $400.00 or less for +50rwhp at/near redline? That's insane.
6/9/11, 04:11 PM
#33
Shelby GT350 Member
You're missing the point, really. This isn't a mod for the faint of heart - as I saw someone else say before, if you don't plan on revving your motor higher than factory (6800 or so) this mod will probably do nothing for you at all, and in comparison to a car with intake/tune, might even result in you losing power.
For those of us thrilled by the idea of 7500 RPM and pulling like a freight train all the way there, the BOSS intake is crazy bang for the buck. $400.00 or less for +50rwhp at/near redline? That's insane.
For those of us thrilled by the idea of 7500 RPM and pulling like a freight train all the way there, the BOSS intake is crazy bang for the buck. $400.00 or less for +50rwhp at/near redline? That's insane.
50 horsepower will cost you about 1000 dollars. ..the manifold will run you 500+ shipping. .You will still need a cold air intake, custom tune (probably with dyno time), and revving your motor past where anyone with a monthly car payment should rev.
Edit...AM does sell it for $439, free shipping.
Last edited by MRGTX; 6/9/11 at 04:14 PM.
6/10/11, 07:39 AM
#34
Bullitt Member
Join Date: July 7, 2010
Posts: 416
Likes: 0
Received 0 Likes
on
0 Posts
For some reason, you insist on making extremely exaggerated claims.
50 horsepower will cost you about 1000 dollars. ..the manifold will run you 500+ shipping. .You will still need a cold air intake, custom tune (probably with dyno time), and revving your motor past where anyone with a monthly car payment should rev.
Edit...AM does sell it for $439, free shipping.
50 horsepower will cost you about 1000 dollars. ..the manifold will run you 500+ shipping. .You will still need a cold air intake, custom tune (probably with dyno time), and revving your motor past where anyone with a monthly car payment should rev.
Edit...AM does sell it for $439, free shipping.
My post didn't say there were no other mods required. Fact is, you can take a 5.0 (that already has an intake and tune, like most of us do), pay $400.00 for a BOSS manifold, and gain 50rwhp at 7300-7500 rpm; 50rwhp from the BOSS manifold alone.
Just because you happen to be afraid of revving this motor doesn't mean everyone is.
6/10/11, 08:04 AM
#35
Mach 1 Member
Join Date: February 22, 2011
Location: Akron, Ohio
Posts: 509
Likes: 0
Received 0 Likes
on
0 Posts
Just wondering if anyone knows what the Boss intake translates to in the 1/4 mile? Would it be say 11.7 vs. the 11.88 they did with just the intake and tune? I assume if you have the 3.73's this mod would help with the last stretch of the 1/4 and keep you in 4th increasing trap times.
I love RPM's!! 7,500 RPM is still less than half my R6 though
I love RPM's!! 7,500 RPM is still less than half my R6 though
6/10/11, 08:20 AM
#36
GT Member
Join Date: February 11, 2011
Location: Indianapolis
Posts: 164
Likes: 0
Received 0 Likes
on
0 Posts
My car is not a daily driver so I will take the risk.
If you shift at 7500 you should be well above 6000 and in the power band needed to make the Boss intake worth it. With a turbo or blower that's a different story.
It would be nice to see an sheet metal intake but they can be costly.
6/10/11, 12:04 PM
#37
Shelby GT350 Member
My post didn't say there were no other mods required. Fact is, you can take a 5.0 (that already has an intake and tune, like most of us do), pay $400.00 for a BOSS manifold, and gain 50rwhp at 7300-7500 rpm; 50rwhp from the BOSS manifold alone.
Just because you happen to be afraid of revving this motor doesn't mean everyone is.
Just because you happen to be afraid of revving this motor doesn't mean everyone is.
When comparing a car with intake and tune to a car with intake, tune, and BOSS manifold, there is a definite possibility of low-end torque loss, yes. Will most people notice it? Probably not. 3.73's definitely help in that department.
When comparing a completely stock car to one with a BOSS manifold, intake and tune, there is absolutely no loss, anywhere. Nothing but gain gain gain!
Basically, if you enjoy the sweet howl of 7000 RPM, and want to gain 50+ rwhp while doing it..get the BOSS manifold
When comparing a completely stock car to one with a BOSS manifold, intake and tune, there is absolutely no loss, anywhere. Nothing but gain gain gain!
Basically, if you enjoy the sweet howl of 7000 RPM, and want to gain 50+ rwhp while doing it..get the BOSS manifold
Best case scenario, you find a manifold for $400 (which is 10% lower than anywhere I have seen...) and you install it yourself (apparently not too difficult)...When comparing both cars with intake and tune, per Steeda's own excellent tuners and undoubtedly extensive dyno time, they gained 15 peak HP.
When comparing a fully stock car with a lower end 370ish rwhp stock dyno reading to a fully tuned out/93octane/>7500 RPM Boss manifold equipt car...yes, there might be 50 peak rwhp to be had but this will cost you more than $400... if you doubled that, you would be doing pretty well..just going by the cost of a tuner and a quality CAI...and nevermind the tune/dyno time.
I really wouldn't care how wrong you were, KonaBlue5.0...but you seem to be following me around the forums and monitoring the veracity of my posts.
Last edited by MRGTX; 6/10/11 at 12:13 PM.
6/10/11, 12:10 PM
#38
Shelby GT350 Member
You bring up a good point about RPMs.
My car is not a daily driver so I will take the risk.
If you shift at 7500 you should be well above 6000 and in the power band needed to make the Boss intake worth it. With a turbo or blower that's a different story.
It would be nice to see an sheet metal intake but they can be costly.
My car is not a daily driver so I will take the risk.
If you shift at 7500 you should be well above 6000 and in the power band needed to make the Boss intake worth it. With a turbo or blower that's a different story.
It would be nice to see an sheet metal intake but they can be costly.
I know people do stuff like this all the time but the redline of an engine is a seriously risky paramater to mess with. My car is not my daily driver either but until I finished paying for it, the redline is staying stock... just my preference.
What's a new/crate motor running now? $8,000?
6/10/11, 01:47 PM
#39
Bullitt Member
Join Date: July 7, 2010
Posts: 416
Likes: 0
Received 0 Likes
on
0 Posts
As it's plain to see, my post said otherwise stock car with intake and tune vs. otherwise stock car with intake, tune and BOSS manifold. Yes, just the addition of the BOSS manifold will result in around 50rwhp gain between 7000-7700rpm (or thereabouts).
Why is this so hard for you to understand? Peak horsepower has absolutely nothing to do this with discussion. The stock manifold causes the engine to faceplant after 6500rpm, whereas the BOSS allows you to make consistent power all the way to 7700rpm+.
Why is this so hard for you to understand? Peak horsepower has absolutely nothing to do this with discussion. The stock manifold causes the engine to faceplant after 6500rpm, whereas the BOSS allows you to make consistent power all the way to 7700rpm+.
6/10/11, 02:06 PM
#40
Shelby GT350 Member
As it's plain to see, my post said otherwise stock car with intake and tune vs. otherwise stock car with intake, tune and BOSS manifold. Yes, just the addition of the BOSS manifold will result in around 50rwhp gain between 7000-7700rpm (or thereabouts).
Why is this so hard for you to understand? Peak horsepower has absolutely nothing to do this with discussion. The stock manifold causes the engine to faceplant after 6500rpm, whereas the BOSS allows you to make consistent power all the way to 7700rpm+.
Why is this so hard for you to understand? Peak horsepower has absolutely nothing to do this with discussion. The stock manifold causes the engine to faceplant after 6500rpm, whereas the BOSS allows you to make consistent power all the way to 7700rpm+.
You bragged about the 50hp peak gain... you bragged about the mere $400 price...you told me I was wrong...when you were sucking the wrong sauce the whole time.
I don't disagree with your projections...but you can't have it both ways.
~$1000 and some unknown level of risk = 50rwhp gain and a nicer looking top end.
Stock manifold + intake and tune (~$500) will get you within 15rwhp and probably be more usable for all around performance, probably pretty **** close to the same performance on the strip.
Last edited by MRGTX; 6/10/11 at 02:08 PM.