Exhaust

Description Learn More Specs Fitment aFe Power's new Twisted Steel header delivers an astounding 7hp and 9lbs. x ft. torque while out flowing the factory exhaust manifold. The header is constructed of 1.5" 14-gauge 409 SS tubing with a 1/2" thick...

Description Learn More Specs Fitment Improve exhaust flow and engine response or replace cracked and brittle originals with one of these extreme value exhaust headers. Fits '91-99 Wrangler 4.0L engines without modifications. Available in three great...

Description Learn More Specs Fitment Improve exhaust flow and engine response or replace cracked and brittle originals with one of these extreme value exhaust headers. Fits '91-99 Wrangler 4.0L engines without modifications. Available in three great...

Description Learn More Specs Fitment Unleash Your Vehicle's Full Power Potential! Every Gibson Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engine's ability to...

Description Learn More Specs Fitment This Gibson Performance Stainless Header has been dyno-tuned and engineered to provide more horsepower and torque to your Jeep 4.0L engine. Gains are noticeable at low and mid-range RPM. The smooth flow of the...

Description Learn More Specs Fitment With more power, quicker acceleration and tougher construction than ever, the new Banks Revolver™ for the '91-99 Jeep 4.0 liter out muscles any competitive exhaust manifold: period! You'd think that being...

Description Learn More Specs Fitment Required Hardware : Gasket #53010238Installation NotesInstallation Difficulty:Level 2IntermediateInstallation Time: 1-2 hours Parts Included 1 Manifold Warranty 12 month / 12,000 Mile Limited Warranty Color:...

Description Learn More Specs Fitment The Crown Automotive Stainless Steel Header is made for the Jeeps with the 4.0L engine to add minor performance upgrades and massive style under your hood. Made from 2-1/4" OD 304 stainless tubing and formed down...

Description Learn More Specs Fitment The Crown Automotive Stainless Steel Header Kit is made for the Jeeps with the 4.0L engine to add minor performance upgrades and massive style under your hood. Made from 2-1/4" OD 304 stainless tubing and formed...

Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 3AdvancedInstallation Time: 3-5 hours Parts IncludedExhaust ManifoldWarranty Minimum 5 Year Limited Warranty. Jeep Cherokee (XJ)1999 Jeep Cherokee (XJ)1998...

Description Learn More Specs Fitment As well engineered as Jeeps are, early model Wranglers and Cherokees have noticed that the factory exhaust manifold cracks at the same spot. Enter the Crown Automotive Exhaust Manifold Kit to solve the problem...

Description Learn More Specs Fitment Improved Engine Efficiency: Boosts your engine's performance by optimizing exhaust flow and reducing back pressure.Durable Materials: Made from high-quality cast iron to resist heat and corrosion, extending the...