Can I use it on black exhaust?

No. * The Exhaust Pipes Get Way "Too Hot" for This Product... * However, It is a "Wonderful Product" For Brightening Black or Dark Engines...!!! * They Will Look as Good as New...! * But Do NOT Use it on Exhaust Pipes, as It Will Disappoint You... (and "Stink", Too...) * Dale Blythe ~ Paris, Tennessee 38242

After i apply to my cold engine do I just let it sit or do I have to rinse it off with water?

Make sure your engine is clean and dry. Wipe off any oil or grease. Then spray a good mid-wet coat over the whole engine compartment. Everything and anything. Then let dry for several hours. I let mine dry overnight. DO Not WET The Engine after applying Aerosal material. Just let it dry good and forget about it. If you should have to touch up any areas, be sure to let it dry.

My engine is grey and not black. Will it work on greg engines also

This product works great on anything! I would also recommend a can of the engine bright made by the same company. I really like this product

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DR. WACK S100 19200A Engine Brightener Aerosol - 4.5 oz

Product ID: 277588653

Details

Brand
DR. WACK
Item volume
28 Cubic
Item weight
0.4 Pounds
Number of Items
1
Unit count
1 Grams

💨Precision mist spray nozzle

🧼Long-lasting shine through washes

⚙️Restores factory-black finish

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€ 71.20

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Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Bring your engine back to life—because your ride deserves to shine!

DURABLE SHINE - Maintains that just-detailed look for miles and multiple washes.
SIMPLE APPLICATION - Spray on after cleaning and drying—no complicated steps required.
TRUSTED BY ENTHUSIASTS - Highly rated with 4.7 stars from over 1,800 users who demand quality.
PRECISION MISTING SPRAY - Easily reach cooling fins and tight spots without over-application.
FACTORY FRESH ENGINE LOOK - Revive your engine’s original sleek black finish effortlessly.

DR. WACK S100 19200A Engine Brightener Aerosol is a 4.5 oz spray designed to restore the factory-black appearance of engines. Featuring a precision mist nozzle, it penetrates cooling fins and tight areas for an even application. The brightener’s durable formula resists multiple washes, keeping your engine looking fresh and clean. With a 4.7-star rating from over 1,800 customers, it’s a trusted choice for automotive enthusiasts seeking effortless engine rejuvenation.

Specifications

ASIN	B000WK111K
Best Sellers Rank	#44,451 in Automotive ( See Top 100 in Automotive ) #836 in Automotive Air Fresheners
Brand Name	DR. WACK
Contains Liquid Contents?	Yes
Customer Reviews	4.7 4.7 out of 5 stars (1,834)
Item Volume	28 Cubic Inches
Item Weight	0.4 Pounds
Manufacturer	S100
Model Number	19200A
Number of Items	1
Part Number	19200A
UPC	172303177069 182683121330 182682210974 182683118279
Unit Count	1 Grams

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