GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

Topspeed Pro-1 catback

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Old 08-28-09, 08:04 AM
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OH-MAN
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Default Topspeed Pro-1 catback

I searched and found zero on this item.
Anyone try them? they look like a quality unit at 1/2 the cost of other ones.
I heard a sound clip on youtube with one GS 350 and it sounded nice and low like the Tanabe does.
Listening to some of the other clips a GS300 sounded like a rattle can 4 cyl.
Comments?
Old 08-28-09, 09:38 AM
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ryan78
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where did you find this? never heard of it.
Old 08-28-09, 09:41 AM
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JeffTsai
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The GS300 version 1 catback is more of a straight through design which gets rid of all the stock resonators. It makes the exhaust a bit more raspy, but that's also the natural sound of inline6. The GS350 is a V6 with a totally different exhaust note.
Old 08-28-09, 09:56 AM
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Originally Posted by ryan78
where did you find this? never heard of it.
Saw them on Ebay
Look on Lexus exhaust.
Old 08-28-09, 10:16 AM
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ryan78
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will do. thanks
Old 08-29-09, 03:07 PM
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Well I decided to get this unit.
Ordered it today.
You know what they say about pioneers.


They are usually the ones with the arrows in their azz.
I will keep you all posted on the results after I install it.
Old 08-29-09, 08:27 PM
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cool; looking forward to the pics
Old 08-30-09, 01:47 AM
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I8ABMR
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never heard of this brand. I would be concerned about a cat back system on the GS . The axle back Tanabe drones enough as it is. With a sedan as large as the GS cabin resonance can become an issue more easily
Old 08-30-09, 07:23 AM
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^ Is it bad even with the windows up? I can almost barley hear mine with the windows up its so quiet in this car. With the windows down its real sporty. Outside of the car I am sure it can be heard by others but not like an HKS or even the Fsport exhaust. The ISF sounds really mean with the full exhaust set up. What I wish my car sounded like after I installed my set up. I didnt have any drone on the IS with the Tanabe exhaust?

Last edited by passnu2; 08-30-09 at 07:27 AM.
Old 08-30-09, 07:57 AM
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I had the Tanabe on my IS and loved it.
Quiet and yet a nice low rumble until you get over 3500 then you hear it.
This one looks like the Tanabe but 1/2 the cost.
Hopefully I made a good choice.
Old 08-30-09, 08:06 AM
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Here is the only clip I have found on it.

http://www.youtube.com/user/topspeedauto
Old 08-30-09, 11:34 AM
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Sounds very low like the Tanabe. The Tanabe is to quiet for me Im thinking about getting the HKS.
Old 08-30-09, 01:24 PM
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Too bad the HKS does not fit the AWD version of the GS.....otherwise I will be all over it.
Old 08-30-09, 02:43 PM
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why doesnt it fit awd?? i dont see any reason it wouldnt. i like the tips on the tanabe way more than the hks.
Old 08-30-09, 03:23 PM
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also, this is not a cat back, it is an axle back.


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