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Compare the 5 best long-tube headers for the 2016-2019 Camaro SS (LT1 6.2L). Real primary sizing, power gains, and pr...

Kooks long-tube headers review for the 2020-2022 Shelby GT500 (5.2L, 760 hp). Specs, dyno gains, and Kooks vs Stainle...

Kooks long-tube headers for the 2022-2025 Cadillac CT5-V Blackwing add 80-100 rwhp on the 668-hp LT4 with GREEN catte...

Compare the best Cadillac CTS-V long-tube headers: Stainless Works vs Kooks for the 556-640 hp LSA and LT4 V8. Specs,...

Compare the 5 best long tube headers for the 5.7 & 6.4 HEMI Charger & Challenger: real dyno gains, tube sizin...

Compare the best exhaust upgrades for the 2003-2011 Crown Victoria 4.6L: long-tube headers, high-flow cats, and cat-b...

Compare the 5 best long-tube headers for the 5.7 & 6.4L Hemi Charger, Challenger & 300C. Real dyno HP gains, ...