Rear Diffuser

But it will definitely work.
OP I just wanted you to think for a little bit, but I wouldn't recommend putting that plate only in front of the rear bumper... you're basically building a wing with "upforce" like that.
Full undertray or nothing! (or speed holes
)
Increasing Performance, Efficiency and Style - Import Tuner Magazine
I'm not talking out of my behind.
I'm not talking out of my behind.
Increasing Performance, Efficiency and Style - Import Tuner Magazine
I'm not talking out of my behind.
I'm not talking out of my behind.
Weight
2,685 lbs (factory rated curb weight)
2,060 lbs (after modification)
-625 lbs
1/4 mile acceleration
15.92 seconds (before)
14.86 seconds (after)
-1.06 seconds
0-60 acceleration
8.1 seconds (before)
6.3 seconds (after)
-1.8 seconds
Fuel consumption
31.7 mpg (before)
37.9 mpg (after)
+6.2 mpg
+81.84 miles/tank
They spent a shitton of money to get there, but still impressive.
2,685 lbs (factory rated curb weight)
2,060 lbs (after modification)
-625 lbs
1/4 mile acceleration
15.92 seconds (before)
14.86 seconds (after)
-1.06 seconds
0-60 acceleration
8.1 seconds (before)
6.3 seconds (after)
-1.8 seconds
Fuel consumption
31.7 mpg (before)
37.9 mpg (after)
+6.2 mpg
+81.84 miles/tank
They spent a shitton of money to get there, but still impressive.
This is actually pretty impressive:
Weight
2,685 lbs (factory rated curb weight)
2,060 lbs (after modification)
-625 lbs
1/4 mile acceleration
15.92 seconds (before)
14.86 seconds (after)
-1.06 seconds
0-60 acceleration
8.1 seconds (before)
6.3 seconds (after)
-1.8 seconds
Fuel consumption
31.7 mpg (before)
37.9 mpg (after)
+6.2 mpg
+81.84 miles/tank
They spent a shitton of money to get there, but still impressive.
2,685 lbs (factory rated curb weight)
2,060 lbs (after modification)
-625 lbs
1/4 mile acceleration
15.92 seconds (before)
14.86 seconds (after)
-1.06 seconds
0-60 acceleration
8.1 seconds (before)
6.3 seconds (after)
-1.8 seconds
Fuel consumption
31.7 mpg (before)
37.9 mpg (after)
+6.2 mpg
+81.84 miles/tank
They spent a shitton of money to get there, but still impressive.
With my LS Integra (w/ a dying head gasket) I still averaged, 32.8 mpg and I got 34.5-35.1 regularly.
How about vent slots? Some kind of horizontal slot, vertical slot or even some design.
I think you can put a single slot right in the groove at the top part of the diffuser and it probably wouldn't be too visible.
I think you can put a single slot right in the groove at the top part of the diffuser and it probably wouldn't be too visible.
lol I was just joking. But seriously if it's for fuel economy removing part of the bumper would be best. Adding a diffuser is not going to help your mpgs. Nor will a spoiler. The added drag will hurt it if anything.
You could make a full underplate like Mike posted. The idea is to get rid of the drag from the rear bumper.
You could make a full underplate like Mike posted. The idea is to get rid of the drag from the rear bumper.
Rear diffuser won't help your mpg, there already is one on the car (GE8 anyway, idk about GD)
Rear spoiler will increase drag, lower mpg.
You can't create downforce without creating drag.
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heymikesays
California - Southern Community
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Sep 20, 2008 06:17 PM





