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The Secret: Loud Turbo Sounds on a B58!

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StudioRSR

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Happy Technical Thursday y'all. Today let's talk about how B58’s getting that insane turbo sound? Well, the secret lies in something called a T51R mod. The name comes from the HKS T51R turbocharger, a legendary turbo in the JDM tuning scene. It was known for its distinctive turbo spool sound especially among 2JZ and RB engine builds.

What is the T51R?
Basically, the T51R mod involves modifying the compressor housing of your stock turbo to replicate that woooooosh sound we all know and love, even if the turbo itself is not an HKS T51R. Your stock turbo will be machined to create small grooves/venting holes near the compressor wheel inlet. It allows the air to flow in and out of those grooves, creating that “jet-engine” sound. It is a service performed to the stock turbo housing, and once completed, it is re-installed on the car.

Are there any performance gains?
This mod is primarily cosmetic/sound-based and does not affect performance. If done properly, it will not have any issues. If done poorly, it may cause airflow turbulence or minor performance issues, so it’s best to do it once, and do it right!

Overall, I personally love that turbo whistle sound. Currently it’s extremely popular on the gen 1 and gen 2 B58 cars, so M240i, M340i, Supra etc. Also, it is kind of a pain to remove the turbo housing so I do recommend either having it done professionally or having experience working on the car! Does anyone else here have a T51R done to their car?

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Rensuhlo

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AJRMKV

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I was about to roast this type of mod by saying it's the equivalent of getting shoes with 3inch heels for short dudes.

But I bought an intake for the sound a few seasons ago which arguably makes the car slower.

So to all the baby turbo whistly bois reading this, i'm a hypocrite.
 

Eastwood

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Pass. If my car is going to make loud turbo sounds, it's going to be because it has a big ass turbo and it's fast.

T51R is a poser mod IMO.
 

req

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I was about to roast this type of mod by saying it's the equivalent of getting shoes with 3inch heels for short dudes.

But I bought an intake for the sound a few seasons ago which arguably makes the car slower.

So to all the baby turbo whistly bois reading this, i'm a hypocrite.
thats fair. however installing an intake is significantly less work than installing a t51r mod for a stock turbo
 
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_Sp1ral0ut

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Flame toons ftw
 
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StudioRSR

StudioRSR

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I was about to roast this type of mod by saying it's the equivalent of getting shoes with 3inch heels for short dudes.

But I bought an intake for the sound a few seasons ago which arguably makes the car slower.

So to all the baby turbo whistly bois reading this, i'm a hypocrite.
Hahaha props for keeping it real lmao
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