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2007 SRX V8 AWD Sport
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9 Posts
Discussion Starter · #1 ·
So I need new brakes for my SRX and thought why not upgrade to the CTS-V brake setup. Found some OLD threads stating that the rotors are a problem, but nothing new. Has anyone done this? What do I need to do it?
 

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2007 SRX4 N*, 2004 Infinity G35 Coupe
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2,005 Posts
The CTS-V weighs roughly 600 pounds less than an SRX4 V8.

Assuming the CTS-V brakes are "beefier" than the standard ones, how are the CTS-V brakes any better for an SRX than the standard SRX ones designed for the much heavier SRX? More swept area? Superior rotors. Softer and/or larger pads? The calipers?

PJ
 

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2007 SRX V8 AWD Sport
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9 Posts
Discussion Starter · #3 ·
Brembo 4 piston Calipers with 14" rotors. you cant even fit them on SRX with standard wheels, need at least 18" rim. People are using them on many different cars due to the excellent stopping power, and the relatively low cost from GM!
 

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'04 SRX AWD V8
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23 Posts
Hello
i need new brakes and I'm extremely interested in the same exact concept. can you tell me where you can find these gm parts (cts-v brembo calipers)? www.rockauto.com ?and then just lookup cts-v?
i have an '04 SRX AWD V8 w/ 20" Arelli rims on P275R20 45 Eagle GT II. I'm looking to upgrade my brakes and welcome all recommendations.
thank you, TJ
 

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2018 Cadillac XT5 Luxury
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1,261 Posts
Brakes are the number one safety device on your vehicle. SRX brakes are quite good OEM and should be replaced with same when worn. What you are trying to do is in effect, replacing only some of the braking components since you are probably not making changes to TCS, Stabilitrak, ABS, brake lines & reservoir etc. This will lead to unpredictable brake and or vehicle behavior and thus should NEVER be attempted. SRX brakes were designed with the vehicle weight, driving characteristics and stopping distances in mind, while your solution does not do any of this. Please reconsider for those of us who have to share the road with you.
 

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2010 CTS AWD Wagon 2010 BMW X5 35D 2008 GL320
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2,623 Posts
Not sure I agree with all of that, some of it yes but not all.

Tires are still the biggest limiting factor of the brake system.

Going to a big brake setup may stop better but unless you need the extra mass for heat issues just stick with good pads and call it a day, now if you want some bling then rock on as they do look cool :)
 

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2010 CTS AWD Wagon 2010 BMW X5 35D 2008 GL320
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2,623 Posts
You have to watch the brake bias and the pedal effort may change with different caliper square area as well as travel but one would not know unless you got all the specs, but it may all be so small you would not notice.

But if you have all this killer stopping power up front the car may want to understeer a bit more but the ABS should pick it up anyway, if you can lock up the brakes then is more stopping power needed?

People should have no problems saying "I want big brakes because they look sweet", the SRX does not NEED big brakes but nor does it need 20's but we have them for looks.
 

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2004 AWD N* SRX, 2008 AWD N* SRX Sport
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52 Posts
been wanting to do this same thing since I bought the car. I would be willing to upgrade lines too, and would think that would be the only thing that mattered.

Conedoctor, if you pull it off, please post some pictures, it may swing my better half to agree on the purchase. :)
 

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2010 CTS AWD Wagon 2010 BMW X5 35D 2008 GL320
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2,623 Posts
This is not on my short list of mods, I will do pads and thats it.

I have too many other things to spend my mod money on that will give me more results.
 

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2010 CTS AWD Wagon 2010 BMW X5 35D 2008 GL320
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2,623 Posts
I have some somewhere but pics are hard to post here and no one really cared.

Search for big brake and you will find my thread, it had some pictures in it. I took the setup off for the winter and so I can make proper spacers and stuff but it worked and worked well, looks very cool but needs 18's (I think) or 20's to clear.
 

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08' SRX V8 Sport Pkg
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2 Posts
I'm new to the forum, but not new to the SRX. I'm on my third SRX V8 AWD (04', 07',08'). To the guys saying that SRX brakes, and brake performance is good, or even acceptable is a questionable statement at best! These cars eat brakes like no other car I have owned (except for the equally under-braked Taurus SHOs). For those that feel increasing rotor size is negligable when it comes to braking power, you should do some research before you speak. You are passing along information that is not helpful, to those who may not know much either. Saying that an OE put good parts into a car out of a social conscience, is naive. They are concerned more with profit, than performance. I had to rent a Ford F-150 this weekend, and the brakes on it were far superior in feel, and perceived performance than the SRX! That was shameful. Did I mention that I had to replace all four corners with pads a rotors at 29K! The new ones are warped already!....
 

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2010 CTS AWD Wagon 2010 BMW X5 35D 2008 GL320
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My SRX brakes just fine.

What parts did you use to do your brake job with?

You making blanket statements like "these cars eat brakes like no other car I have owned" is just as bad.....

Lets compare apples to apples and make sure your braking system works right.

I completed the BBK and found it worked very well and had a good pedal feel, I don't think I picked up a pile of brake improvement. If I don't sell the kit I will do a stop test and get some real world data on the same day same car same wheels.

The biggest upgrade is still pads all day long.
 

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2010 CTS AWD Wagon 2010 BMW X5 35D 2008 GL320
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Too add to my post and I have said it before, the tires end up being the factor here.

I think my 09 stops great and has a nice feel, it has a recent flush and bleed as well with all stock parts.
 

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2007 SRX4 N*, 2004 Infinity G35 Coupe
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2,005 Posts
htekwo......I don't understand your comments either. Agreed, OEMs will include brakes that are market and class competitive. The GenI SRX's brakes as tested and compared to the competition (foreign and domestic)by the reputable car magazines seem to contradict your experiences, even the mags that did long term testing.

I just had my second brake job at 85,000 miles. No issues in between brake jobs save for one loose caliper. No warping. No thumping. No fade.

My only negative observation echos that of many......that today's (thinner and lighter) OEM rotors are not built to last, even if one religiously replaces (high quality) pads well before the end of their useful life.

PJ
 

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2010 CTS AWD Wagon 2010 BMW X5 35D 2008 GL320
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Don't get me wrong I like the bling of big brakes but the reality is they are not doing that much, then toss in the cheap tires people buy that last for 10 years cause they are so hard and big brakes are the last thing that will make you stop faster.
 

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06 Cadillac SRX AWD
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48 Posts
^ This man speaks the truth. In everyday driving situations and not racing, tire compound, tire pressure, pad material and weather condition is where it's at. The big 4 pistons calipers and huge drilled/slotted/dimpled rotors sure do look nice but if you're not autox or racing, I doubt it really matters much.
 

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2010 CTS AWD Wagon 2010 BMW X5 35D 2008 GL320
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Too add to that.

I have been a very active AutoXer for over 15 years and bigger brakes are way down on the list, you never get enough heat into them to need bigger brakes and it is just extra un sprung weight. My racecar has 6 piston calipers up front, I don't think I need them but they look cool and the stock stuff was all rusty and ugly. I also have huge sticky tires that can take advantage of extra braking, but the really cool thing about going to race calipers is great choice of pad compound and you get to use huge thick pads that don't ever wear out :)


If you can lock up your brakes now do you need more brake? If you can't lock up your tires then you brakes don't suck they don't work.
 
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