★★★★★ 5
Fine product
Size: 150 ml, Pack of 1
This one works
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
Kooks 1-7/8" x 3" Header & Catted Y-Pipe Kit 99-06 GM 1500 4.8L / 5.3L
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Kooks 1-7/8" x 3" Header & Catted Y-Pipe Kit 99-06 GM 1500 4.8L / 5.3LSKU: 2851H420 UPC: 842422178376 Kooks 1 7 8" x 3" Long Tube Headers & Catted Y Pipe for 20072013 Cadillac Escalade Chevrolet Silverado 1500 GMC Sierra 1500 4. 8L 5. 3L The Kooks 2851H420 1 7 8 inch long tube headers and catted Y pipe kit provides the complete bolt on exhaust upgrade for 20072013 Cadillac Escalade, Chevrolet Silverado 1500, and GMC Sierra 1500 with the 4. 8L or 5. 3L V8, replacing factory manifolds to deliver dyno proven gains of 4560
Quick Dispatch:
Your Kooks 1-7/8" x 3" Header & Catted Y-Pipe Kit 99-06 GM 1500 4.8L / 5.3L orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Kooks 1-7/8" x 3" Header & Catted Y-Pipe Kit 99-06 GM 1500 4.8L / 5.3L ships.
Need Help?
Questions about Kooks 1-7/8" x 3" Header & Catted Y-Pipe Kit 99-06 GM 1500 4.8L / 5.3L, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Kooks 1-7/8" x 3" Header & Catted Y-Pipe Kit 99-06 GM 1500 4.8L / 5.3L in your area.
Get Shipping Estimates
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
You may also like
K&N 17-19 CAN-AM X3 Turbo Performance Intake Kit
200.00
Mishimoto 2021+ BMW G8X M3/M4 Performance Intake Carbon Fiber Matte
999.98
Kooks 3" x 2-1/2" SS Catted OEM Connection Pipes. 2005-2023 LX Platform Car 5.7L
631.69
New Rage Cycles 18-21 Yamaha MT-10 Fender Eliminator Kit
170.00
BLOX Racing Roll Center Adjusters / Extended Front Ball Joints - 06-11 Honda Civic (Pair)
175.20
K&N Air Filter Wrap Drycharger RF-1023 Black
31.99
EBC 07-11 Mercedes-Benz CL63 AMG 6.2 Redstuff Front Brake Pads
102.33
4.3 ★★★★★
Based on 2001 reviews
Sort
Product Reviews
★★★★★ 5
Works great!
Size: 150 ml, Pack of 1
This product works great for cleaning valves. Very effective formula that does the job well. Arrived quickly and was exactly as described. Would definitely buy again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 5
Molly valve cleaner
Size: 150 ml, Pack of 1
Put this in my truck with a RAM engine it was kind of running a little bit rough not really sure what was going on I thought I'd get this liquid Maui a try and she smoothed out some but you know who knows it could be all Hocus pocus
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
great for any engin
Size: 12 fl. oz. (Pack of 1)
Have been looking for this for a long time.i always used when i had a ,chevy 327,300.3speed.the engin always run great and when we changed the value cover gaskests the inside look like brand new,and clean.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
★★★★★ 5
Great product
Size: 12 fl. oz. (Pack of 1)
Noticeable difference in the first 50 miles .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
