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Hey I recently bought a new to me 2005 Acura TSX w/ 6MT. I owned various Accords (6-6 ones) and noticed a lot of similarities. I am planning on doing some budget, OEM+ upgrades to the car, including throttle body, TL RSB.

I am doing a Throttle Body Upgrade from stock (60MM) to the 04-08 Acura TL Throttle Body (64MM). According to HeelToe Auto, the J series TB should be a direct fit onto the TSX.

I bought the TL throttle body and I have ran into problems:

1. The stock 2005 TSX Intake Manifold is RAA version. This intake manifold, at the throttle body end, has a little square cutout (see links). The stock TL intake manifold doesn't. This mean that the Acura TL throttle body wouldn't perfectly mate with the TSX RAA Intake manifold. Do I need to buy an adapter? Can I go ahead and install without an adapter? Should I look for a Throttle Body + Manifold combo?

1. The Acura TL throttle body has an extra electrical sensor on it, which I assume is the MAP sensor? The stock TSX throttle body has a tube fitting in that location, which I assume is the IACV? I found on a Civic Si forums that some guy removed the sensor and put a tube fitting there instead. My question for you guys is, what should I do with this, in order for me to work with the stock setup.

(I will add links in following posts)
 

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Discussion Starter #2
Hey I recently bought a new to me 2005 Acura TSX w/ 6MT. I owned various Accords (6-6 ones) and noticed a lot of similarities. I am planning on doing some budget, OEM+ upgrades to the car, including throttle body, TL RSB.

I am doing a Throttle Body Upgrade from stock (60MM) to the 04-08 Acura TL Throttle Body (64MM). According to HeelToe Auto, the J series TB should be a direct fit onto the TSX.

I bought the TL throttle body and I have ran into problems:

1. The stock 2005 TSX Intake Manifold is RAA version. This intake manifold, at the throttle body end, has a little square cutout (see links). The stock TL intake manifold doesn't. This mean that the Acura TL throttle body wouldn't perfectly mate with the TSX RAA Intake manifold. Do I need to buy an adapter? Can I go ahead and install without an adapter? Should I look for a Throttle Body + Manifold combo?

1. The Acura TL throttle body has an extra electrical sensor on it, which I assume is the MAP sensor? The stock TSX throttle body has a tube fitting in that location, which I assume is the IACV? I found on a Civic Si forums that some guy removed the sensor and put a tube fitting there instead. My question for you guys is, what should I do with this, in order for me to work with the stock setup.

(I will add links in following posts)
TSX RAA Manifold: 17115-RAA-A01 - Genuine Acura Gasket, In. Manifold

Acura TL Manifold: 2004 Acura TL 4 Door SPORT KA 6MT Intake Manifold

TSX Stock 60 MM Throttle Body: 16400-RBB-J02 - Genuine Acura Throttle Body, Electronic Control

Acura TL Throttle Body: 2005 Acura TL 4 Door BASE KA 5AT Throttle Body
 

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The 06-08 TSX manifold slightly differs from the 04-05, mostly in the area the throttle body attached. The throttle body for the facelift I believe is also 64mm... Or maybe a little less. It's definitely more than the 04-05.

I have an 06+ IM and TB in my 04. Also did some diy port matching and honing. It made a noticable difference. I'll see if I can dig up pics comparing the two IMs and TBs.

If using OEM intake piping, the pipe from the airbox to the TB for 06-08 is also larger.

Also, the slower K24 folks want your old IM. The 04-05 mani is a direct fit for some early k series accords. They get some extra midrange out of it.
 
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