Cheapest way to eliminate the torque dip

[Xdragonxb0i]

Go with a Tune first. You will always need a tune after you add headers or turbo =D

My set up include a Catted P&L headers, Nameless Front Pipe with cat and resonator, and a Accelerated performance muffler and midpipe.

Keep in mind that i never had any headers before and only compare to stock. But even with a catted header i feel like its really loud. My engine noise drown out my exhaust, which is slightly louder then stock. I say get the nameless Front pipe, i cant hear any sound coming from underneath or behind me. Its only engine noise.

My car is untuned at the moment and while it feels faster, acceleration does not feel as smooth as stock. I will be get a tune soon, i feel like i need it to restore its original smooth acceleration feel.

[frslee]

Originally Posted by allawd

Since you are in MD, do you know if Jermaine at TurboXS is doing NA BRZ tuning? He tuned by WRX. I prefer to get a real dyno tune since there's several shops in my area that can do it.

I'm not sure, are you talking about the shop near Andrew Tech?

I know friend of mine got his car tuned there (09 wrx), but not sure about this engine though. I'm sure they'll do a custom tune.

[8686]

Originally Posted by FT-86 SpeedFactory

Borla UEL and Tune.

What is the expected increase in torque with this setup?

[naikaidriver]

Originally Posted by 8686

What is the expected increase in torque with this setup?

There has been more than one person that has achieved over 200rwhp with e85 tune + header + plus exhaust + drop in filter. Looking at peak torque only doesn't give the big picture.

You can gain only 15lbs ft. of torque peak but by eliminating the "dip" you're picking up much more where it counts.

Scott

[Adeets]

Originally Posted by DJCarbine

I've complained about borla quality because I got the dreaded warped flange syndrome, but honestly with the visconti tune and the Borla UEL, I cannot feel the torque dip any longer.

You and me both, I'm not leaking out of the sides, but I think I'm leaking cylinder to cylinder, I think the only thing that is effected by that though is the exhaust note.

Anyone with more information about what happens if you header is leaking between the cylinders but not out into your engine bay?

[8686]

Originally Posted by naikaidriver

There has been more than one person that has achieved over 200rwhp with e85 tune + header + plus exhaust + drop in filter. Looking at peak torque only doesn't give the big picture.

You can gain only 15lbs ft. of torque peak but by eliminating the "dip" you're picking up much more where it counts.

Scott

so Headers + Tune will do the trick and eliminate the "dip"? Or I will need a full exhaust?

[naikaidriver]

Originally Posted by 8686

so Headers + Tune will do the trick and eliminate the "dip"? Or I will need a full exhaust?

Headers and e85 tune have been best methods for achieving this so far, yes.

I would strongly recommend you check out the P&L and Nameless Header sections for more, detailed info.

Scott

[CSI:86]

As Jeremy says: Headers + Tune.

Don't get a intake (particularly AFE takeda) thinking it will fix the torque dip. It makes the low end torque before the torque dip more, and increases the noticeability of the torque dip.

[SmsAlSuwaidi]

NOS or the nitrous express kit

[Opposed]

Originally Posted by CSI:86

As Jeremy says: Headers + Tune.

Don't get a intake (particularly AFE takeda) thinking it will fix the torque dip. It makes the low end torque before the torque dip more, and increases the noticeability of the torque dip.

That's odd...my AFE with tune shortened the torque dip quite a bit. Or are you saying the intake alone?

[WatchmaN]

Won't get rid of torque dip but will be much higher with a 4.67 final drive swap, 21lb more torque across the entire rev range.

[CSI:86]

Originally Posted by Opposed

That's odd...my AFE with tune shortened the torque dip quite a bit. Or are you saying the intake alone?

Yes just the intake itself. My only mod is AFE takeda intake. Plan to put Perrin headerback, Borla UEL and Stage 2 FA20club tune. Hopefully this will get rid of the torque dip!

[projectXTR]

Originally Posted by SmsAlSuwaidi

NOS or the nitrous express kit

Dude, this ain't The Fast and The Furious.

[mad_sb]

Originally Posted by allawd

...
This makes sense, I just don't want the extra noise, so planning on keeping the stock cat-back even at the expense of weight/power.

I've had enough years of full exhaust on my WRX to know what it will sound like on a daily commute.

I understand and im in the same boat after years of catless 3" turbo backs on my evo viii, X, and ralliart If you go with an axle back and keep the stock midpipe it keeps the volume down... especially if you keep a high flow cat in the front pipe.

Check out some of the nameless axle-back threads