Kooks 09-13 1-7/8 x 3 Header & Catted Y-Pipe Chevrolet Silverado 1500 LTZ WT LS LT XFE

Kooks 09-13 1-7/8 x 3 Header & Catted Y-Pipe Chevrolet Silverado 1500 LTZ WT LS LT XFE

Marsoni

M251S

$1554.36

Get it in 3 business days with 1 day shipping. Friday, May 29

Kooks 09-13 1-7/8 x 3 Header & Catted Y-Pipe Chevrolet Silverado 1500 LTZ WT LS LT XFESKU: 2855H420 UPC: 842422178451 Kooks 1 7 8" x 3" Long Tube Headers & Catted Y Pipe for 20092013 Chevrolet Silverado 1500 & GMC Sierra 1500 4. 8L 5. 3L 6. 0L The Kooks 2855H420 1 7 8 inch long tube headers and catted Y pipe kit delivers the complete bolt on exhaust upgrade for 20092013 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks with the 4. 8L, 5. 3L, or 6. 0L V8, replacing factory manifolds to unlock dyno proven gains of 4560 rear wheel

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I have a 08 Mercedes r350 with a tick and smoke every time I would start in the morning It looked like a smoke screen when I put this in my motor after driving 100 miles it's like I dumped a bottle of microbots in my motor liquid moly is the real deal out shines every other additives nothing can touch this stuff my car feels and drives like it has 200 miles on it when it actually has 289000 miles on it shes quiet and performs better than the first day germans are always way ahead of their time. I will never touch anything else I'm a moly customer for life.

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Reviewed in the United States on May 3, 2026

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Gadams

Alexandria, US

★★★★★ 5

Awesome stuff

Number of Items: 1

This stuff is awesome. I just did an oil change on my 2001 suburban with 400k miles and It increased my oil pressure at least 10lbs. Very impressed. Even made the engine tap disappear. Will recommend.

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Reviewed in the United States on January 15, 2026

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Albert D. Lodovichetti

Carnegie, US

★★★★★ 4

Good Txu

Number of Items: 1

Happy with Product

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Reviewed in the United States on May 13, 2026

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gerald johnson

Whiting, US

★★★★★ 5

GDI ally.

Number of Items: 1

Seems to be effective at reducing oil consumption issue common in many GDI engines.

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Reviewed in the United States on May 2, 2026

Verified Purchase

Lonnie S.

West Palm Beach, US

★★★★★ 5

I would highly recommend this product.

Number of Items: 1

I’m going to purchase this product again. I drive a lot and it’s perfect for me and yes, it does work in my opinion. I noticed a difference right away after the oil change. My vehicle was much smoother.

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Reviewed in the United States on May 15, 2026