Freightliner Century Exhaust & Intake Manifolds

Bully Dog Cummins ISX 2250 Intake Exhaust Manifold With Adapter *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your truck! Exhaust Intake Manifold Kit Fits Cummins ISX 2250...

Bully Dog Cummins ISX 2350 SCR Exhaust Manifold *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your truck! Exhaust Manifold Fits Cummins ISX SCR 2350 Engine...

Bully Dog Caterpillar C-13 Ceramic Coated KCB Exhaust Manifold 4409 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your truck!...

Bully Dog Caterpillar C-12 Ceramic Coated Exhaust Manifold 115-2989 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your truck!...

Bully Dog Caterpillar 3406E C-15 Ceramic Coated Exhaust Manifold 150-1916 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your truck!...

Bully Dog Caterpillar C-13 Ceramic Coated Exhaust Manifold 251-4410 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your truck!...

Bully Dog Caterpillar 3406E C-15 Freightliner Western Star Ceramic Coated Exhaust Manifold 150-1914 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the...

Bully Dog Cummins ISX Ceramic Coated Non-EGR Exhaust Manifold 3880199 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your truck!...

Bully Dog Cummins ISX Ceramic Coated DPF Exhaust Manifold 3683789 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your truck!...

Bully Dog Cummins ISX Ceramic Coated EGR Exhaust Manifold 3682959 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your truck!...

Bully Dog Big Rig Cummins ISX Ceramic Coated Non-EGR Exhaust Manifold 3880199 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your...

Detroit Low Mount Exhaust Manifold 23532122 *Please Verify Your OEM Number(s) Before Purchasing. Upgrade your engine with this low mount exhaust manifold, designed for pre-emission 12.7L & 14.0L engines to boost performance and fuel efficiency...

Bully Dog Cummins N-14 Ceramic Coated Exhaust Manifold 3078323 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Boost the performance of your truck! Featuring...

Detroit EGR Exhaust Manifold 23536449 23533949 23533862 23533821 *Please Verify Your OEM Number(s) Before Purchasing. Upgrade Series 60 14.0L EGR trucks with this EGR Exhaust Manifold. Replaces OEM 23536449, 23533949, 23533862, 23533821, improves air...

Cummins N14 Celect Plus Exhaust Manifold 3078323 *Please Verify Your OEM Number(s) Before Purchasing. Boost the performance of Cummins N-14 Celect Plus engines with this EGR Exhaust Manifold. Designed to replace OEM 3078323, it increases fuel...

Cummins ISM Exhaust Manifold 4237 Optimize Cummins ISM/M11 engines (1994-2002) with this Exhaust Manifold. Improves fuel mileage, reduces heat, lowers EGTs, and extends gasket life. Exhaust Manifold Fits Cummins ISM/M11 Engines (1994-2002) High...

Caterpillar C13 Acert Exhaust Manifold C13-4409 *Please Verify Your OEM Number(s) Before Purchasing. Upgrade to this Exhaust Manifold for Cat C-13 Acert KCB and LEE engines. Replaces OEM C13-4409, improves fuel mileage, reduces heat, lowers EGTs, and...

Caterpillar High Performance Exhaust Manifold Kit *Please Verify OEM Number Before Purchase High Performance Caterpillar Exhaust Manifold Kit Fits Caterpillar 3400 Series And C15 Engines Specifications: (1) High Performance Exhaust...

Caterpillar 3406E C15 High Performance Exhaust Manifold Kit *Please Verify OEM Number Before Purchase High Performance Exhaust Manifold Kit Fits Caterpillar 3406E / C15 Engine Series Application Includes: (1) High Performance Exhaust...

Caterpillar High Performance Exhaust Manifold High Performance Exhaust Manifold Fits Caterpillar 3406E / C15 Engine Series Application Coated with Ceramic Thermashield To Protect Against Heat Leak-Resistant for Long-Lasting Performance Sold...