1152989 | Caterpillar C-12 2989 Exhaust Manifold

Are you willing to leave MPG on the table?

The Exhaust Manifold never gets the credit it deserves? that is, until it forms a crack. While it doesn't look like the Exhaust Manifold is an integral part of your engine, that leaking exhaust gas is just horsepower, torque, and ultimately, fuel efficiency vanishing into thin air.

Whether you are seeking a replacement Exhaust Manifold, increased fuel efficiency, or are looking for a extra ’kick’ on the highway with a Performance Exhaust Manifold, Highway and Heavy Parts has you covered. And, while some equate aftermarket parts with the term, ’subpar’, HHP is here to set the record straight. HHP only offers premium Exhaust Manifolds with a industry leading 2-Year Parts Warranty, all with savings up to 50% off OEM prices.How’s that for an aftermarket part?

Looking for proof? Let’s talk Exhaust Manifolds.

• Your exhaust manifold comes with ARP Turbo studs.


• You'll get a new exhaust manifold made to OEM specifications


• Additionally, a new manifold will prevent cracking, leaking or warping.


• To top it off, you'll get equal or better quality compared to the OE at a much lower cost

Kit Contents:

• (1) Exhaust Manifold with APR Studs

OEM Applications:

• 1152989
• 115-2989
• 2989