2013 GT Lowering springs rear only? - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 06-11-2014 Thread Starter
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2013 GT Lowering springs rear only?

Hey everyone. I am hoping you can provide some advice regarding lowering my 13 GT with Brembo package. I am really not liking the almost cartoonish look of the rear of the car. I thought about doing the Eibach pro springs all the way around, but concerned it may drop the front too much. I was wondering if anyone has lowered the rear end only? If so what springs did you use and how did it effect handling etc. My concern with dropping the front is speed bumps, getting the car on the lift when servicing, etc.


2013 GT Premium, 6AT, Brembo Package, Borla S type AB. Steeda sport springs, Koni Sports, and a whole bunch of other Steeda suspension mods.
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post #2 of 7 (permalink) Old 06-11-2014
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The only option I know of for what you are looking for would be the 55D springs from Brembo50. I have the Eibach pro-kit and I have no issues with clearance. My last car was a G35 coupe at stock ride height and I had to take speed bumps really slow, steep inclines at an angle and could not clear parking stops. I do not have these issues with the Mustang even after lowering, though I still keep clear of parking stops because that one is just a gnats behind from hitting with no passengers. Keep in mind though that if you drop the car all around you will need much more than just springs to do it right. With the 55D springs you will likely not need anything else. Maybe an adjustable panhard bar, but you can keep the factory dampers if you are satisfied with them.


2013 Red Candy Metallic GT Premium Coupe
Black Leather, 6MT, Comfort Package, Brembo Package, 3.55 Axle
Borla Touring axle back, Suntec CXP 45% window tint, Eibach Pro-Kit, Steeda Strut Mounts, Rear Upper Control Arm and Panhard Bar, BMR Relocation Brackets, Energy Suspension Shifter Bushing
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post #3 of 7 (permalink) Old 06-12-2014
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When I had my 06 GT, I had the rear lowered slightly with (I believe) Jack Roush lowering springs. I was just trying to get away from the 70's rear-end jacked up look
It evened out the stance similar to the 08-09 Bullit look. I was happy with it. Didn't notice any difference in handling or ride.
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post #4 of 7 (permalink) Old 06-12-2014
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more info about the 55D Spring Kit from Route 66 SpeedShop

2011+ Mustang - Route 66 Speed Shop

i installed those on my V6 and they ride great. The spring rate is similar to the Brembo Package springs, but you get about inch drop from them. I got about 3/8 inch on my V6, but my car has the base interior and no bells and whistles

Canadian 2012 V6, MT, Perf.White Pony Package (3.31 gears). Koni Sport Shocks & Struts. Steeda Sport Springs w/HD Mounts, Route 66 SpeedShop 55D rear spring kit. Boss 302 Strut Tower Brace. BMR Adj PHB. BFG G-Force Sport Comp2. Pioneer TS-D6802R Front SPeakers, Clarion 80W/Ch Amp. JL Audio 8 Inch Sub And 175W Amp. GT500 Steering Wheel. 2012+ Tilting Headrests
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post #5 of 7 (permalink) Old 06-12-2014
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I did 1.5" drop rear only on my '08, it leveled out the stance, depending on equipment they were more jacked up than the 2011-14's. The 2015 looks much lower....

You could measure the wheel to fender gap front and rear then subtract the drop rear only to see where you'd be on you particular car.

I did not noticed any ill effects, car felt more settled better grip in the rear.

Now: 2016 Mustang GT Fastback-Magnetic Metallic, Ford Racing Touring axle-backs, Ford Racing front strut and k-brace, K&N CAI, sound tube delete, 1975 Corvette Coupe-L48, 4-speed

Past Lives: 2001 Corvette Z51 Coupe, 2012 Mustang Grabber Blue Coupe, 2008 Mustang Torch Red Vert, 1988 Mazda RX-7 Vert, 1985 Nissan 300ZX, 1979 Mazda RX-7, 1971 Datsun 240Z, 1972 Fiat 124 Vert, 1971 Chevelle, 1970 Challenger
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post #6 of 7 (permalink) Old 06-12-2014
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OP, i put BMR rear springs only at 1.5 inch drop. I also installed Koni STR Ts all around and that lowers the front just over .25 inch due to the mounting holes on the strut, even though the front springs are factory. Car rides good and i love the look. Here are a couple of pics.
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Chuck
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post #7 of 7 (permalink) Old 06-17-2014 Thread Starter
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Thanks everyone. I appreciate the input!

2013 GT Premium, 6AT, Brembo Package, Borla S type AB. Steeda sport springs, Koni Sports, and a whole bunch of other Steeda suspension mods.
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