aFe 48-38029-T Twisted Titanium Coated Shorty Steel Headers for 2011-2021 Jeep Grand Cherokee / Durango 5.7L HEMIThis system produced gains of up to +6 HP and +7 lbs. x Ft. TQ., as measured on our in house dyno. This system is constructed of 1 5 8 IN mandrel bent 304 stainless steel tubing for maximum strength and durability. A combination of Factory style laser cut and machined flanges are used for a secure leak free seal. Utilizing factory style flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle

Whether you're aiming for better performance or a distinct sound

75 Piston Ring Set S89186 STD

7L 345 CI 2003-2008

Includes 1-7/8 inch diameter long tube headers and a 3 inch stainless steel Y-pipe with green catalytic converters

Engine rebuild kits include pistons

-timing set

Ignition timing: 36º Total @ 4

Mandrel bending ensures no rippling in the bends

and more efficiently

Black Series Cat Back Exhaust System

evenly spaced pleat design which allows for more usable filter surface area

0 Truck Engines with 24x crank reluctor