Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"

GM GEN 5 LT1 Header Flange. 3/8in. Thick 304 Stainless Steel. Oval Ports for 2in. Primaries. Sold Individually.

GM GEN 5 LT1 Header Flange. 3/8" Thick 304 Stainless Steel. Oval Ports for 2" Primaries. Sold Individually.

GM GEN 5 LT1 Header Flange 3/8in. Thick Mild Steel Oval Ports for 2in. Primaries Sold Individually

GM GEN 5 LT1 Header Flange 3/8" Thick Mild Steel Oval Ports for 2" Primaries Sold Individually

GM GEN 5 LT1 Header Flange-3/8in. Thick SS. Ports for 2in. Primaries.

GM GEN 5 LT1 Header Flange - 3/8" Thick SS. Ports for 2" Primaries.

GM GEN 5 LT1 Stainless Header Flange

Kooks GM Gen5 LT-1 2in GM Gen5 LT-1

GM GEN 5 LT1 Flange