

🚗 Clean Engine, Clear Mind: Drive smarter, save fuel, and skip the repair shop!
Rislone Cat Complete Fuel, Exhaust & Emissions System Cleaner is a powerful 4-pack treatment designed to clean fuel injectors, combustion chambers, exhaust systems, and emissions components. Compatible with a wide range of engines including hybrids and turbocharged models, it boosts fuel economy, restores engine performance, prevents check engine light alerts, and meets EPA standards without voiding warranties.






| Manufacturer | Bar's Products |
| Brand | Rislone |
| Model | Cat Complete Fuel, Exhaust & Emissions System Cleaner, Check Engine Light Medic (4 Pack) |
| Item Weight | 4.58 pounds |
| Package Dimensions | 10.08 x 5.71 x 5.63 inches |
| Item model number | 4720 |
| Manufacturer Part Number | 4720-4PK |
| Special Features | 50 state legal—EPA registered, Clear OBD P0420 & other OBD codes and turn check engine light off., Deodorizes sulphur “sulfur” (rotten eggs) exhaust smell., Pass emissions smog test, guaranteed. |
A**H
Works as advertised.made the engine run much smoother
Excellent product.smoothed my car's engine in one treatment.
C**Y
Good
Good
M**7
Miss leading
0000 stars doesnt work on video claims money returned if it doesn’t work try refund they dont refund my engine lights are still on DONT BUY
D**R
GREAT PRODUCT SAVED ME LOTS OF MONEY
MY engine light was on shops wanted 300 bucks to diagnose problem. tried RISLONE waited till gas tank was down to a quarter tank put RISLONE IN put 10 bucks' worth of high test gas in tank...BINGO engine light went off.
A**R
It worked !!!!!
Great product it works. I did not think it would work just as it hit 1/4 in gas tank the light went out.
D**O
I want a refund my check engine light is still on, it did not clean my catalytic converter
I want a refund my check engine light is still on, it did not clean my catalytic converter
A**R
Delivery was quick product sucked
Did not do what I said it would do
W**Y
Stop wasting your money
This product doesn’t work, don’t wasting your money.