Just got back from the Performance Racing Industry trade show at Indianapolis. I went to the Borla booth to see if they had anything to offer that would enhance the sound of my new GT. I decided to look at Borla because I like their sound - more mellow than FlowMaster - louder than Magnaflow.

Yes, they do - a cat back system that their tech says got 31 dyno HP (too good to believe). But they don't have an axle back system at all.

There were 2 modified '05 GTs at the show - one had a Steeda exhaust. So, off to the Steeda booth I go. Yes, they have an axle back system in stock ready to go. OBTW Steeda doesn't make it - Borla does.

Pipes/mufflers should be here this week.

 

congrats dood. post a sound byte once you're finished so we can check it out.

 

If you're wanting louder and lower then Magnaflow and Flowmaster then check the Bassani's......probably run you less then Borla also.....just an idea....

 

Actually, I know I don't want the Bassani exhaust - too obnoxious!

 

Any specs on the Borla system?
I've been waiting on news.

They didn't have an axleback ready or they won't have one at all?

And was it standard Borla Mufflers or Stingers?
30hp gain is impressive if true...but I have a hard time believing it.

So that answered a previous question a long time ago, Borla still manufactures Steeda's exhaust. They are not the same as regular borla's rebadges as steeda's....if I can remember correctly, Steeda gives Borla the specs and borla makes them for steeda.

 

The Borla tech guy I talked to in the booth said that they got the gains from finding good bend locations. All he told me was they only offer the full cat back system. I didn't even ask the price.

I don't know what type of muffler the Steeda axle back uses. It is a round 5 x 14 inch can with flat ends - not tapered....and it has STEEDA stamped in 2 inch letters the length of the muffler. The Steeda guys told me their system saves 35 pounds from stock. $429 retail.

 

man,I e-mailed Borla for some pics a week ago.I thought they did not have it ready yet.Now I see they have a proto system already on a car.Come on Borla,lets see some pics.Is it a stinger system???can you verify HP with a dyno?????Put up something or Bassani will get my business.

 

Roger

I'm the guy who started the muffler deletes. The stock muffs maybe weigh at the high end 20lbs each, so I'm not sure how Steeda saves 35lbs.

I agree with others that the 31HP claims sound high. Did they have any dyno sheets to prove?

 

There is not 31rwhp to be had from a stock 05 GT cat back plain and simple-

1. The 05 Mustang is now using 2.5" mandrel bent pipe (99-04 had 2.25)
2. The 05 MUstang GT muffler flows a lot better then the 99-04 GT muffler (a guy put Flowmasters on all ready and lost hp on the dyno)

So based on the above facts, if a 05 Mustang gains 31rwhp, then a 99-04 GT should gain even more because it is using even more restrivtive piping and mufflers.

Ask for a dyno sheet. I promise you won't get one.

Normally I don't stick my head in when it comes to other manufacturers, however.....

when aftermarket companies quote outrageous numbers, we all start getting a reputation for padding the numbers- it just makes us all look bad-

They make a nice product- but they need to be realistic-

I have internal dyno sheets I would be more then happy to send out on our gains- a much more believable 10-11rwhp is what we quote-


*******Also what is really wierd is Steeda has two 05 Mustangs running around- one with Borla exhaust and one with Magnaflow exhaust-




Now as far as bends- there are four bends that can be eliminated from factory exhaust system by the rear axle- those are probably the bends he is reffering to- we also eliminated the bends as well- as Bassani did as well-

 

More clarification-

The 05 Steeda at the NItto booth at PRI had Magnaflow exhaust on it- so if that was the car you saw, you were actually looking at a Magnaflow exhaust system-

 

Yeah, I saw the Magnaflow system on the red GT. The yellow Gt at the bottom of the escalator had the Steeda system. And I agree, there is not 31 HP in any full exhaust system change. When the Borla guy said that I threw the BS flag and turned to another guy for info.

 

Some observations on dyno testing intake/exhaust systems on OBDII machines:
- Desired WOT AFR is achieved by long term fuel trim at part throttle plus fixed fuel increase (O2 sensor is only accurate at 14.7 AFR).
- Factory tune at WOT is rich for cat con longevity.
- Any increase in airflow leans AFR.
- Most of the observed HP gain is the result of a leaner WOT AFR.
- After some normal driving (~100 miles), most of the observed HP gain will be trimmed out by the ECU.

I always use my own weather station during a dyno session. Then I do the HP corrections myself using the dyno raw values. Keeps everyone honest!

 

I think this is the car I saw at PRI.

 

Anyone have a steeda sound clip?

 

They hide nice, they look nice..
May have to givem a whirl

 

Got the Steeda muffs yesterday....and put them on last night.

The best thing is how they look. Much cleaner rear view. The big oval muffler cans are gone. The 4 inch tips look better too. They are MUCH lighter than the stock setup.

Don't have a sound clip. They are louder than MagnaFlows but have the same kind of sound. The mufflers are a straight through absorber design - like MagnaFlow. As everyone expects, they are loudest around 2000 RPM cruise in 5th gear.

I'm very satisfied with Steeda's service - ordered Friday, got 'em Wednesday. They were shipped with protective foam bags. Bolted right up like advertised - took about 1/2 hour.

 

So that would stink for those that drive a lot of highway at 65 mph.

 

Those Steedas look nice, but I wish they had rolled tips like some of the other axlebacks coming out now. Like the angle-cut tips though...thye look a lot like my old Bassani tips.

 

Why is that wierd? Sounds like development mules to me...IMO.

 

Dude... you are replying to a three year old post!