I have a 2007 Jeep Grand Cherokee Limited with a Hemi 5.7 and my check engine light keeps coming on. It has been happening more in colder weather. Also the engine has made a sound like an exhaust leak from the time I purchased the vehical used with 38,000 miles. I took it to a trusted exhaust shop and they found no leaks. Here are the details and pics from installing SRT exhaust manifolds on my 2009 GC Limited 5.7 Hemi. I had recently replaced the muffler and added a remote control dump between the muffler and the resonator so this was reused. There are mods for years other than 2009 and 2010 such as egr ports to consider. There are lots of pictures and more Upgrade your GTC VC (Vacuum Control) system with a One-Touch wireless remote solution that replaces the standard hardwired toggle switch. This package includes a 12V Receiver and Two Key Fobs. *Note: To fully open and close the valves, only a single touch of a button is required. $300.00. Add to cart. Sound Level: Engines: 3.6L Body: 4 Door SUV Drive: 2 & 4WD. Pipe Diameter: Dual 2.5" Inlet Into 2.25" Pipes And 2.25" Turndowns Exit: Truck Single Split Rear Exit. Contains a Merge X-Pipe. System does NOT fit vehicles with exhaust cut outs in the rear valance. Price: $1,829.99.
Other Names: Exhaust Manifold Gasket, Right And Left, Exhaust Manifold Gasket, Right & Left, Exhaust Manifold Gasket, Left, Exhaust Manifold More Names Notes: Engines: 4.0l v6 sohc engine. 3.5L High Output V6 24V MPI Engine.
First the exhaust manifold has to be removed. Be careful not to snap any other studs. If enough of the broken stud is protruding and lucky sometimes they can be removed with a pair of vice grips or channel locks. If unlucky and its seized it'll require head or welding a nut on it.

Induction Exhaust Protection / Exterior Air Filters Cold Air Intake Systems Jeep Grand Cherokee (WK) SRT-8 06-10 V8-6.1L HEMI . $410.55. More Info > Magnum FORCE

Then get an Edelbrock E-Force Supercharger system - the most efficient supercharger on the market for your 5.7L HEMI engine. These complete supercharger systems provide maximum flow, minimum temperature rise, quiet operation and reliability only the Edelbrock name can guarantee. They feature minimum air restriction in and out of the
Saw some posts, even on this forum, where people were so excited about the bore&stroke kits for 5.7L (348cu in) Hemi's that made them into 426 cu in Hemi's. Yet, you could find some really experienced engine builders stating, these kits are insane and you can expect your motor to be totally worn out, past another rebuild, after 50k miles.
TLvH.
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  • grand cherokee 5.7 hemi exhaust