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A 5 star product by the professionals at Wynns! Does the job every time I use it and really puts a smile on my face when I feel all the power it's reclaims from the engine.
Verified purchase: Yes | Condition: New
Unbelievable! I add one of this black wins catalytic on full tank 60 L and run on the long way 400 miles (not in the city). The car is now more responsible, quite, easy-moving. In my case this was excellent treatment. Will buy and use one more, but sadly don't know when will be my next long distance travel. Very-Very Happy!! And also my fuel consumption - usually on Fleet services M3 my fuel bulb was always on. Now I go back home and there was still much more than 1/4. For my car Peugeot 407 this Black Wins was one of best choices.
Verified purchase: Yes | Condition: New
does what it says on the tin
Verified purchase: Yes | Condition: New
Vert expensive, but cant fault the product
Verified purchase: Yes | Condition: New
100% for it use's
Verified purchase: Yes | Condition: New