it gives u 3 to 5 hps. and millage goes up by 5 miles a galon
and its for NA
Cost of stock plug: $14.50 (at HDL, higher at dealers)
Cost of OWS (Uberpower) plug: $19.95
Incremental cost: $5.45 x 4 = $21.18
Honda recommends changing the NGK's every 8K miles, but they'll last 16K. If the OWS plugs last, let's say, 1/2 as long as they say they will that's 50K miles, so:
Cost per 50K miles NGK plugs = 3 x (14.50 x 4) = $174.00
Cost per 50K miles OWS plugs = 1 x (4 x 19.95) = $79.80
Now, let's say these plugs gain you 2 mpg instead of the 5mpg initial testing has shown. Assume 35mpg with NGK's and gas at $1.75 a gallon. Then:
50,000m / 35mpg * $1.75g = $2500 for NGK
50,000m / 37mpg * $1.75g = $2364 for OWS
Total cost savings over 50K miles using OWS plugs = $230
You can double that (and then some) if the 5mpg holds true.
Typical current cost per horsepower is about $100. Cost per horse using OWS plugs is $21.80 if all you do is change to them at your next spark plug change, making this the cheapest HP mod out there.
for more details please visit OWS Iridium Spark Plugs | Products from Viper Performance ...