The Fuel Mileage Dr. Inc. Shop Our Performance Tuners Our “Secret Sauce” and Best Selling Product! Bully Dog Heavy Duty GT Diesel Fuel Mileage Tuner $1,899.00 Add to cart Bully Dog Heavy Duty WD Fuel Mileage Tuner $599.00 Add to cart Bully Dog Heavy Duty ECM Tuner $999.99 Select options Big Boss Performance Tuner by PDI $2,350.00 Select options Your Official Dealer of: Turbo Chargers: Caterpillar 3406, C15, & C16 Series 650HP Stage 1 Turbo $1,850.00 Add to cart Cummins N14 and ISX Big Boss Stage 1 Turbo $1,500.00 Add to cart Detroit Series 60 Big Boss Stage 1 Turbo $1,150.00 Add to cart Caterpillar 3406, C15, & C16 Series 750HP Stage 2 Turbo $2,000.00 Add to cart Exhaust Manifolds: Paccar MX-13 12.9L Kenworth/Peterbilt Exhaust Manifold $1,600.00 Add to cart CAT C12 Exhaust Manifold $1,450.00 – $1,650.00 Select options CAT 3406E/C15/C16 Kenworth/Peterbilt Exhaust Manifold $1,600.00 Add to cart CAT 3406E/C15/C16 Freight Liner/Western Star Exhaust Manifold $1,600.00 Add to cart
