What performance mods for 21 without tune?

[zrk]

TIRES

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[Sigg]

Do you know if catless will work? iv'e heard of a few people telling me that they catless but iv'e also heard that catless without a tune blows engines..

Going catless is not worth it.

AOS/catch can, CAI, 2" cat back & air ride if you're looking for more power.

edit: is the OP Savagegeese?

Don't insult Jack and Mark like this. Lol

 

[Mason]

What is the downside of catless? Just the smell?

 

[H2O_Doc]

What is the downside of catless? Just the smell?

Pollution. May not be a concern if you’re not subject to a sniffer or visual test.

 

[Thill444]

What is the downside of catless? Just the smell?

My personal opinion is the biggest upside of a down pipe is the tune. I know folks are using JB4 with some good results, but for me if I can't tune the car it's just not worth the issues putting in a downpipe like warranty, CEL, etc. It's risk vs reward. If you just want more sound start with a catback exhaust.

 

[Powaup]

Downpipe will get you ~18hp and air intake will you get you ~10hp up top without a tune

This video here they get 40 hp after downpipe is installed but most others I've seen get 20 so take it whit a grain of salt





And here is a car with intake getting 10 hp — advertised from Eventuri is 10-17hp

 

[bigcat]

Lightweight...!

carbon fiber stuff
bucket seats
lithium iron phosphate battery

 

[Extreme Power House]

Get the Active Autowerke catted downpipe, it will increase HP, reduce back pressure and vastly improve the exhaust sound

 

[frankelito]

Don’t forget tire upgrades. Anything over 450 rwhp is just spin until the ECU shuts you down then spin some more. ?

Performance is great but without traction its just bragging rights with your friends

-RJM

I been looking to upgrade my tires for a while now, do you have any recommendations? My supra is my daily, i'm pushing over 400 HP right now. Just looking for some street tires upgrades

 

[Powaup]

I been looking to upgrade my tires for a while now, do you have any recommendations? My supra is my daily, i'm pushing over 400 HP right now. Just looking for some street tires upgrades

Pilot Sport PS4S is a nice upgrade, and try to get wider rubber, 295 rears seem to be a good fit

 

[underdonk]

Don’t forget tire upgrades. Anything over 450 rwhp is just spin until the ECU shuts you down then spin some more. ?

Performance is great but without traction its just bragging rights with your friends

-RJM

This cannot be overstated and is my next costly upgrade. Even with minor modifications, you'll be wanting better tires than they put on the car from the factory. Maybe I'm just not running the right pressures, but I've been underwhelmed.

 

[underdonk]

I been looking to upgrade my tires for a while now, do you have any recommendations? My supra is my daily, i'm pushing over 400 HP right now. Just looking for some street tires upgrades

Cup 2's are always an awesome choice, but you're limiting yourself on the types of weather it's safe to drive in, and you'll be replacing them quite often. I'm not kidding about the weather limitation - it's rough in anything but very light rain, in my experience.

 

[Meraki Autoworks]

AA catted downpipe! Get them while they're in stock.

-Josh

 

[Andrew4Supra]

Wheels, decals, lowering springs, underglow. Mostly just decals tho..

~ And the most important item… tow hooks got to have tow hooks.

I hear they really make the car fast! ?

 

[VA90]

I been looking to upgrade my tires for a while now, do you have any recommendations? My supra is my daily, i'm pushing over 400 HP right now. Just looking for some street tires upgrades

F1 Supercar 3 or 3R might work, but 3R has the same or greater wet weather limitations than Cup2 and higher degradation (like underdonk said). I actually think Cup2 is okay in the wet if you are careful. If you like being really stressed out in the rain, then get the Cup2.

Either is better than R888R which I think is just not a street tire.

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