ATS Stage 1 Allison LCT1000 Transmission Package 4WD w/ PTO 2004.5-2005 6.6L LLY Duramax 2015-2018 BMW M3 This Flowmaster® American Thunder® cat-back

This Flowmaster® American Thunder® cat-back exhaust system for the 2019-2023 GM 1500 (new body style) trucks with 5

Each unit is disassembled

high-strength

Max dyno gains 20 hp and 25 lb-ft of torque at the wheels

Failure to properly tune can result in engine damage

ATS Stage 1 Allison LCT1000 Transmission Package 4WD w/ PTO 2004.5-2005 6.6L LLY Duramax 2015-2018 BMW M3 This Flowmaster® American Thunder® cat-backATS Stage 1 Allison LCT1000 Transmission Package, 4WD, w PTO, 2004. 5 2005 6. 6L LLY Duramax. Includes: ATS 4WD w PTO 2004. 5 2005 Allison LCT1000 Performance Transmission ATS Allison LCT1000 Five Star Torque Converter (302 950 4248) ATS Allison LCT1000 Deep Transmission Pan (301 900 4248)