Any issues from adding AA Gesi cat, etc

[yargnits]

I am going to stick with 93 octane so thinking about the following bolt ons

AA Gesi catted dp, MST B5806H inlet pipe, and maybe an afe pro dry air filter, with a DINANTRONICS x piggyback…(I know it’s mild but thinking it would be good for 93 octane)

I know a jb4 has EWG control, fuel sensor (option), etc. but I like the idea of a more simple install and not having to deal with a custom tune.

Anyway, does anyone think I would have overboost issues with this combo on my 2026 manual?

I’m also thinking I would be around 430ish whp with this combo… is that a reasonable guesstimate?

Appreciate any feedback I can get.

Thanks

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[jmikes]

If it's catted you shouldn't get much if any overboost. The bigger issue is that JB4 is ass with MT unless you get a good custom map done (either by Jesse @ 1fastsupra or in the JB4 log review thread here with Colonel)

Femto does unlocks in the US now and it's not that expensive, I'd recommend just unlocking at this point.

 

[yargnits]

Thanks for the feedback.

I'm thinking of running the DINANTRONICS X which is milder than the jb4.. from what I understand it goes up to 2.8 psi increase on its highest setting. It also ramps up boost linearly and not all at once.. that’s what I have read on various forums anyway.

 

[MisterSkiz]

Unless you are in a state where emissions testing requires checking the ECU Checksum, just get a tune its miles away from the piggyback stuff.

 

[yargnits]

No doubt,

I'm not sure if the unlock dme/software/custom tuning is worth the cost to me.

Any idea on the hp difference (guesstimate) between the mild piggy back and a safe custom tune on 93 octane?

 

[Ecom]

I ran some numbers and figured it would be around $1700 for me to do an unlock, DP, and tuning license (US based).

 

[MisterSkiz]

No doubt,

I'm not sure if the unlock dme/software/custom tuning is worth the cost to me.

Any idea on the hp difference (guesstimate) between the mild piggy back and a safe custom tune on 93 octane?

Probably like 50hp/50tq or so I would guess - The real difference is the control you would get by modifying tables and even getting custom tunes that could push you even further and safe usage of Ethanol blends.

Here is another thing - You have a manual car - from everything I have seen on this forum and other social media is that OEM clutch does not have room for growth. Any tune or piggyback you get you are going to have to save for a new clutch. If you got ethanol blend you will then need to budget for new axles.

You could forgo the downpipe for the time being.

Check your emissions laws in your area to see if they do CheckSum testing on your ECU. If they do, and you don't want a headache you could just stick to a JB4 with a custom config.

Many states are now adopting California's testing laws:
https://forum.hptuners.com/showthre...tart-Testing-for-ECU-Tunes-During-Smog-Checks

 

[MisterSkiz]

I ran some numbers and figured it would be around $1700 for me to do an unlock, DP, and tuning license (US based).

Sounds about right -with that price I'm assuming you are going Catless. You would probably gain 100hp/100tq with an OTS (off the shelf) tune.

If you think that is too much, take a peek at what headers and tune on a corvette/camaro/mustang cost and what gains you get for that

 

[jmikes]

No doubt,

I'm not sure if the unlock dme/software/custom tuning is worth the cost to me.

Any idea on the hp difference (guesstimate) between the mild piggy back and a safe custom tune on 93 octane?

If you do the proper unlock and tune process, yes it's more money and a lot more work for you, but you're going to thank yourself a bunch. All of the piggyback systems suck for MT because they're largely built with the auto trans in mind and with manual as an afterthought. JB4 is so bad with the manual that for a long time Jesse from 1fastsupra wouldn't even offer JB4 maps for manuals.

If it costs you $2500 total for downpipe + unlock + MHD/BM3 license + custom tune that's still going to get you 60-70 WHP over stock with much better responsiveness and a bump you can actually feel along the entire powerband unlike a piggyback that only *really* adds noticeable power after 4000 RPM.

 

[razorlab]

We are at that part in the timeline that a JB4 actually costs more than a DME unlock now.

Other than (arguable) warranty concerns, it makes even less sense to purchase a JB4 now.

 

[Extreme Power House]

no issues with the active autowerke downpipe and Jb4, we got both ready to ship

 

[Ecom]

We are at that part in the timeline that a JB4 actually costs more than a DME unlock now.

Other than (arguable) warranty concerns, it makes even less sense to purchase a JB4 now.

This is my current blocker. I know the chance of an engine issue is low, but I'm still only at 3k miles and I know Toyota doesn't like doing warranty work to begin with.

 

[Timmy_Jones]

This is my current blocker. I know the chance of an engine issue is low, but I'm still only at 3k miles and I know Toyota doesn't like doing warranty work to begin with.

Then buy some wax for the car and keep it clean, until you want more power.

 

[MisterSkiz]

This is my current blocker. I know the chance of an engine issue is low, but I'm still only at 3k miles and I know Toyota doesn't like doing warranty work to begin with.

Even a piggyback can be traced if they look at the recorded parameters in the DME.....so that won't save you.

 

[yargnits]

Probably like 50hp/50tq or so I would guess - The real difference is the control you would get by modifying tables and even getting custom tunes that could push you even further and safe usage of Ethanol blends.

Here is another thing - You have a manual car - from everything I have seen on this forum and other social media is that OEM clutch does not have room for growth. Any tune or piggyback you get you are going to have to save for a new clutch. If you got ethanol blend you will then need to budget for new axles.

You could forgo the downpipe for the time being.

Check your emissions laws in your area to see if they do CheckSum testing on your ECU. If they do, and you don't want a headache you could just stick to a JB4 with a custom config.

Many states are now adopting California's testing laws:
https://forum.hptuners.com/showthre...tart-Testing-for-ECU-Tunes-During-Smog-Checks

You bring up one of the main reasons I was thinking of a mild piggy back …The MT.
(keep the hp/tq increase hopefully below its limit)

I really didn’t want to buy a proper streetable clutch like the PTB organic/sinter… and pay someone to install (I don’t have a place or the equipment to do the install).

well at least not yet… can only get the wife to agree to do so much at a time

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