KOOKS 1-7/8" STAINLESS HEADERS & CATTED OEM CONNECTION (2009-2020 CHALLENGER/CHARGER 5.7L) 2014 Chrysler 300C V8 Oversized exhaust ports - Increased

Oversized exhaust ports - Increased flow

CNC-machined billet aluminum spacers

the one piece design is the huge difference and it feels better during quick acceleration changes

Combined with our all new 4" polished tips

KOOKS 1-7/8" STAINLESS HEADERS & CATTED OEM CONNECTION (2009-2020 CHALLENGER/CHARGER 5.7L) 2014 Chrysler 300C V8 Oversized exhaust ports - Increased2009 2020 Chrysler 300 C S C Luxury C Platinum (Liter: 5. 7 & Engine(ci): 345 & Cylinder: 8 & Block: V & Bore(in): 3. 92 & Bore(mm): 99. 57 & Stroke(in): 3. 58 & Stroke(mm): 90. 93 & Drive: RWD Note: Does Not Fit AWD Cars); 2009 2021 Dodge Challenger R T R T Classic R T Plus R T Shaker R T Plus Shaker T A (Liter: 5. 7 & Engine(ci): 345 & Cylinder: 8 & Block: V & Bore(in): 3. 92 & Bore(mm): 99. 57 & Stroke(in): 3. 58 & Stroke(mm): 90. 93 & Drive: RWD