Great product and our vehicles are running smoother

Great product and our vehicles are running smoother  Read Less

Good product for keeping fuel injectors clean add to gasoline every 5000 miles

Good product for keeping fuel injectors clean add to gasoline every 5000 miles  Read Less

If you use this and notice no benefit it simply means you are running good gasoline already and your system is clean already i ...  Read More

If you use this and notice no benefit it simply means you are running good gasoline already and your system is clean already i run a bottle about once a year 2k miles to 20k miles on each car and some cars will see noticeable benefit and others will not this is the nature of injector cleaning there are variables such as what fuel you drivedaily and how many miles you drive annually  Read Less

I had high hopes that this product would help to improve gas mileage but honestly i could not tell any improvement whatsoever a...  Read More

I had high hopes that this product would help to improve gas mileage but honestly i could not tell any improvement whatsoever after one application in both of my two 4 cylinder toyota cars 2000 echo and a 1994 camry with both well over 200000 miles  Read Less

Value for money mileage and easy to use

Value for money mileage and easy to use  Read Less

And its definitely worth the price when compared to the price of new injectors

And its definitely worth the price when compared to the price of new injectors  Read Less

You can buy cheaper but the cheap stuff does not work

You can buy cheaper but the cheap stuff does not work  Read Less

Good price for 4 bottles used before oil changes

Good price for 4 bottles used before oil changes  Read Less

I determined it was a fuel delivery issue because it would start momentarily with starting fluid

I determined it was a fuel delivery issue because it would start momentarily with starting fluid  Read Less

The seller packaged it nicely and it arrived in perfect condition with no leaking

The seller packaged it nicely and it arrived in perfect condition with no leaking  Read Less

I just replaced the coils with accel coils msn spark plugs as well that has made a huge difference in of itself

I just replaced the coils with accel coils msn spark plugs as well that has made a huge difference in of itself  Read Less

I wont use another brand after witnessing the results of red line

I wont use another brand after witnessing the results of red line  Read Less

So i tried all of those options and although they helped they didnt help or work the same kind of magic that red line hasdid

So i tried all of those options and although they helped they didnt help or work the same kind of magic that red line hasdid  Read Less

Price is a bit higher than average but i’ve had good results using red line’s manual transmission fluids in the past so i tend ...  Read More

Price is a bit higher than average but i’ve had good results using red line’s manual transmission fluids in the past so i tend to come back to this brand for different products  Read Less