4:45   Stepped Headers - Dyno tested 3:53   Stepped Primary Exhaust Extractors 2:37   Stepped Headers 1:28   Titanium vs Stainless Steel headers 0:14   Kooks Signature Series Stepped Headers 0:16   E46 M3: SS V1 Stepped Headers, SS Section 1 resonated, SS Resonated Section 2, AA Gen 3 Exhaust 2 10:55   A Tiny Difference in Exhaust Shape Changed the Sound 0:16   E46 M3 w/ SS Race, JPP stepped headers, 200 cell HFC section 1, AEM Infinity 7:21   How F1 Sound is made 1:59   Ramjet (REX) Triple Stepped Headers & Cats 6:24   Header diameter & Megaphone - Dyno tested 4:22   EQUAL LENGTH HEADERS LOSE POWER! .....and here is why! 0:30   E46 M3 SuperSprint Stepped Headers w. Custom Performance 200 cell Cats Short Pull 0:19   Ve clubsport r8 with ramjet triple step headers and pacemaker exhaust 5:36   Dyno testing headers - gold 4age 0:21   Fast Eddie Supersprint Stepped Headers + SS Race Drive Away 2:46   Kooks Stepped Headers for Mustangs