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DBA 4000 Series Performance Rotor
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Recommended By Average Price Average Rating
100% of reviewers None indicated 9.0
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Description: DBA’s mid-series enhanced performance rotor features Thermal Stability Profiling for improved heat handling and Thermo-Graphic paint markings for effective heat monitoring.

The 4000 slotted has a unique 6x6 Wiper Slot design for extreme stopping power on road and track.

The 4000XS, with cross-drilling and slotting, is DBA’s premium one-piece rotor for street use.

Important: When ordering 4000 series rotors, please ensure you specifically specify the correct part number extension which denotes the type of rotor surface finish.

For example:

Part # DBA 4040 = Standard Finish (no slotting or cross-drilling)

Part # DBA 4040SL = Slotted Left-Hand disc
Part # DBA 4040SR = Slotted Right-Hand disc

Part # DBA 4040XS = Premium cross-drilled & slotted
Keywords: DBA 4000 rotor slotted drilled


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bobo69
Senior Member


Registered: September 2005
Location: Suburban Philly
Posts: 344
Review Date: Would you recommend the product? Yes | Price you paid?: Not Indicated | Rating: 10 

 
Pros: design, quality, paint markings
Cons: cost

i have the slotted version love them! great stopping with my HAWK HPS pads
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caramall2
AC


Registered: February 2005
Location: TN
Posts: 1849
Review Date: Would you recommend the product? Yes | Price you paid?: Not Indicated | Rating: 9 

 
Pros: Good deal for the money
Cons:

Purchased from BrakeSwap. Put these on the front before a 5 hour road trip. Bedded them in at the beginning of the trip. (Slotted version.)

Goal: Very strong braking for agressive street and occassional AutoX and a couple of track days. Biggest desire was strong, fade resistent brakes for high speed braking.

Verdict: Excellent.

- Coefficient and braking power: Very good. Comes on a bit touchier than stock (a good thing really) then grabs consistently and firmly. Much closer to the BBK I drove on another member's car (though obviously not quite as good as that). May need to upgrade rear pads to have a more similar coeffient (doesn't seem to be that big of an issue).

- Fade: Hauled down from 90+ mph several times with no problems. Track would probably be the best test, but honestly, I think you can put a car through some pretty rough paces by just doing very aggressive accelleration, de-accelleration on an open road.

- Dusting: Not sure yet. Honestly, I don't care that much as long as I get good performance.

- Noise: No problem under agressive driving. However, under gentle braking at slow speeds, they can squeal a bit (as I guess most track pads do) and sound a little rough. I've heard this fades some with time, and even now, it's really not that bad. The trade off to have full confidence in any situation (high speed, repeated braking, etc.) I think will be worth the slight noise under slow, gentle braking.

For the winter I will probably swap out for some Bobcats or AX6.

Installation Tips:
- With new pads and rotors, you'll probably have to compress the caliper pistions with a c clamp in order to install it.
- Make sure and clean off the disks with brake cleaner--new ones usually have a light oil on them.
- I only reinstalled one of the two backing plates (there's a ribbed one and a solid one on each pad). I did use the anti-squeal brake goop on them.
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Inked
New Member


Registered: January 2007
Location: Pa
Posts: 26
Review Date: Would you recommend the product? Yes | Price you paid?: Not Indicated | Rating: 9 

 
Pros: Much better bite!
Cons: None so far

Had Hawk HPS pads on stock rotors for about 2000 miles and while the Hawk pads were an improvement over stock pads, these rotors truly bring out their ability. Or is it that the pads bring out the DBA's ability? Either way I'm very happy with the addition of these rotors.
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benzahn
New Member


Registered: October 2006
Location: Cape Cod
Posts: 12
Review Date: Would you recommend the product? Yes | Price you paid?: Not Indicated | Rating: 9 

 
Pros: Adds to overall braking package
Cons: none

Goodridge stainless steel lines, hawk hps pads and dba 4000 slotted. After balancing out many pricey options, this was the most affordable combination I could come up with and I'm happily impressed. Pads can take a few stops to warm up and stop squealing (especially when wet) but perform well with the new rotors. The Goodridge lines add quick and firm pedal feel. Rotors were insanely easy to install when coupled with pad replacement. Repeated heavy braking from 100+ yields smooth, even, fade free response. Maximum bang-for-the-buck as opposed to hard-to-choke-down-expensive brake kits.
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HTownLegacy
Member


Registered: September 2007
Posts: 177
Review Date: Would you recommend the product? Yes | Price you paid?: Not Indicated | Rating: 8 

 
Pros: Good Price, Better Stopping Over Stock
Cons: None So Far

Bought mine from Import Image. Have only received the front rotors so far, rears are still on their way. After the bedding process, I have a good amount of stopping power over my stock setup.
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captainhook
Retired Monkey


Registered: October 2008
Location: Eastern PA
Posts: 1546
Review Date: Would you recommend the product? Yes | Price you paid?: Not Indicated | Rating: 0 

 
Pros:
Cons:

Has anyone had these rotors warp on them yet?
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tomskib
Junior Member


Registered: September 2008
Location: Mississauga, Canada
Posts: 33
Review Date: Would you recommend the product? Yes | Price you paid?: Not Indicated | Rating: 8 

 
Pros: Exact factory fit. Great car look. Excellent material quality
Cons: Stopping power could be a little better

Amazing product. Unless combined with stainless steel lines and good fluid pedal feel sightly increased on daily driving. Much better feel on hard driving.
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LosAngelesLGT
Banned


Registered: November 2009
Location: By the meisters @ Infamous Performance
Posts: 8055
Review Date: Would you recommend the product? Yes | Price you paid?: Not Indicated | Rating: 10 

 
Pros: Great brake feel, good feedback, quiet and heat resistant
Cons: Not cheap (or very cheap vs. big brake upgrade)

I live in the hills in Los Angeles and go from cold to VERY STEEP long grade to bumper to bumper traffic and the stock brakes did not hold up long. I have not track tested these brakes (yet) but have hauled down from 100+ several times in a hurry with no apparent brake fade as well as hours of spirited mountain and canyon driving.

I find the kangaroo paw heat dispersal pattern very effective.

NOTE: These are paired with hawk HPS pads which may account for the postitive pedal feel and seemingly improved braking and feedback.
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shadowsports
In Witness Protection


Registered: September 2007
Location: NorCal
Posts: 478
Review Date: Would you recommend the product? Yes | Price you paid?: Not Indicated | Rating: 9 

 
Pros: Performance, Fittment
Cons: Absolutely None

Well made, precision brake component. Great OE fit and finish. Excellent performer coupled with Hawk HPS pads. Recommended upgrade.
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