Big Boss Stage 1 Caterpillar Detroit Turbocharger By PDI *This product is NOT legal in California. Raney's is not responsible for legal ramifications. *90 Degree Elbow Kit Required for 3406E, C15, & C16 Applications ONLY Performance Diesel Turbocharger Fits Caterpillar 3406A 3406B 3406C 3406... See More