Semi-Truck Performance & Efficiency Parts

Volvo Aircell Engine Intake Spacer Engine Intake Spacer Fits Most Volvo Models (Choose Your Engine Above) Features Aircell's Patented Helix Spiral Design Increases Fuel Mileage by 0.2 - 0.5 MPG on Average Annual Fuel Savings Average $7,000 ...

Sterling Aircell Engine Intake Spacer Engine Intake Spacer Fits Most Sterling Models (Choose Your Engine Above) Features Aircell's Patented Helix Spiral Design Increases Fuel Mileage by 0.2 - 0.5 MPG on Average Annual Fuel Savings Average...

Peterbilt Aircell Engine Intake Spacer Engine Intake Spacer Fits Most Peterbilt Models (Choose Your Engine Above) Features Aircell's Patented Helix Spiral Design Increases Fuel Mileage by 0.2 - 0.5 MPG on Average Annual Fuel Savings Average...

Mack Aircell Engine Intake Spacer Engine Intake Spacer Fits Most Mack Models (Choose Your Engine Above) Features Aircell's Patented Helix Spiral Design Increases Fuel Mileage by 0.2 - 0.5 MPG on Average Annual Fuel Savings Average $7,000 View...

Kenworth Aircell Engine Intake Spacer *Check out our Savings Calculator These engine intake spacers feature Aircell's patented helix spiral design for better performance across the board! Kenworth Intake Spacer Fits Most Kenworth Models (See...

International Aircell Engine Intake Spacer Engine Intake Spacer Fits Most International Models (Choose Your Engine Above) Features Aircell's Patented Helix Spiral Design Increases Fuel Mileage by 0.2 - 0.5 MPG on Average Annual Fuel Savings...

Freightliner Aircell Engine Intake Spacer *1990-2003 60 Series Non-EGR Detroit Diesel Engines With Interior Egg-Shaped Manifold Must Choose "60 Series Non-EGR 90-03 W/ Egg Man." Option Above *"60 Series Non-EGR 90-03 W/ Egg Man." Option Should Only...

Bully Dog Cummins ISX Exhaust Manifold And Turbo Gasket Kit *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Cummins ISX Exhaust Manifold And Turbo Gasket Kit By Bully Dog Premium Bully Dog...

Bully Dog Caterpillar Exhaust Manifold And Turbo Gasket Kit *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Caterpillar Exhaust Manifold And Turbo Gasket Kit By Bully Dog Premium Bully Dog...

Caterpillar Exhaust Manifold Spacers Stainless Steel Caterpillar Exhaust Manifold Spacers Typically Fits the Following Caterpillar Engine Configurations and Years: 3406B & 3406C 14.6L: 1989-1994 3406E 14.6L: 1995-1998 / 15.8L...

Caterpillar ARP Turbo Stud Kit Caterpillar ARP Turbo Stud Kit Includes Turbo Studs, Flat Washers, and Nuts Fits All C-15/Acert Full Tilt Manifolds Does Not Fit C-11, C-12 And C-13 Models Sturdy A286 Aircraft Material Construction Rolled...

Caterpillar ARP Exhaust Manifold Stud Kit Caterpillar ARP Exhaust Manifold Stud Kit From Bully Dog Includes Manifold Studs, Flat Washers, and Nuts Typically Fits the Following Caterpillar Engine Configurations and Years: 3406B & 3406C 14...

Peterbilt 567 579 Kenworth T680 T880 Severe Duty Engine Pre-Filter Severe Duty Engine Pre-Filter Fits Peterbilt 567 & 579 (2012 & Newer) Also Fits Kenworth T680 & T880 (2012 & Newer) Dual Filter System Keeps You & Your Interior...

Detroit Series 60 14.0L EGR Exhaust Manifold 23536449 *Please Verify OEM Number Before Purchase *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Exhaust Manifold For Trucks Equipped with Detroit...

Detroit Series 60 12.7L 14.0L Exhaust Manifold 23519348 23511978 *Please verify your OEM number(s) before purchasing. *Bully Dog products are NOT legal in California. Raney's is not responsible for legal ramifications. Detroit Diesel Exhaust...

Detroit Series 60 12.7L 14.0L Exhaust Manifold 23532122 *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...

Caterpillar C12 12.0L Exhaust Manifold 1997-2003 115-2989 *Please verify your OEM number(s) before purchasing. Caterpillar Exhaust Manifold Replaces OEM Exhaust Manifolds: 115-2989 Primarily Used in Peterbilt and Kenworth Models: Fits...

Ford Caterpillar 3406E C15 C16 Exhaust Manifold 150-1916 100-5694 *Please verify your OEM number(s) before purchasing. Caterpillar Exhaust Manifold Replaces OEM Exhaust Manifolds: 150-1916, 100-5694 Primarily Used in Australia, Older...

Caterpillar 3406E C15 C16 Freightliner Western Star Exhaust Manifold 150-1914 & 100-5694 *Please Verify OEM Number Before Purchase Exhaust Manifold For Freightliner and Western Star Trucks Equipped with Caterpillar 3406E C15 & C16...

Caterpillar ACERT C-15 Kenworth Peterbilt Exhaust Manifold 2004-2011 231-3462 *Please verify your OEM number(s) before purchasing. Caterpillar Exhaust Manifold Replaces OEM Exhaust Manifolds: 31-3462 Primarily Used in Peterbilt and Kenworth...