High-flow diesel exhaust systems for trucks and SUVs. 4" and 5" systems, DPF-back kits, and performance upgrades for maximum power and efficiency.
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Best DieselTech catalytic-converter for 2006-2003 Dodge Sprinter 2500 | Direct Fit | Stainless Steel | 649072
$1,677.90
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improve durability and resist corrosion, precision-crafted...
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Best DieselTech catalytic-converter for 2006-2001 Chevrolet Silverado 2500 HD | Direct Fit | Stainless Steel | 649071
$1,863.12
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improve durability and resist corrosion, precision-crafted...
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Best DieselTech catalytic-converter for 2010-2008 Ford F-350 Super Duty | Direct Fit | Stainless Steel | 649057
$1,326.92
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improve durability and resist corrosion, precision-crafted...
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Best DieselTech catalytic-converter for 2009-2007 Dodge Sprinter 2500 | Direct Fit | Stainless Steel | 649055
$1,584.54
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improve durability and resist corrosion, precision-crafted...
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Best DieselTech catalytic-converter for 2009-2007 Chevrolet Silverado 2500 HD | Direct Fit | Stainless Steel | 649052
$1,884.48
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improve durability and resist corrosion, precision-crafted...
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Best DieselTech dpf-filter for 2013 Ram 2500 | Direct Fit | Stainless Steel | 649012
$3,097.20
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improce durability and resist corrosion, precision-crafted...
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Best DieselTech dpf-filter for 2009-2007 Dodge Sprinter 2500 | Direct Fit | Stainless Steel | 649010
$2,235.36
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improce durability and resist corrosion, precision-crafted...
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Best DieselTech dpf-filter for 2010-2007 Dodge Ram 3500 | Direct Fit | Stainless Steel | 649009
$3,412.18
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improce durability and resist corrosion, precision-crafted...
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Best DieselTech dpf-filter for 2010-2009 Chevrolet Silverado 3500 HD | Direct Fit | Stainless Steel | 649008
$3,594.06
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improce durability and resist corrosion, precision-crafted...
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Best DieselTech dpf-filter for 2010-2008 Ford F-350 Super Duty | Direct Fit | Stainless Steel | 649007
$2,972.66
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improce durability and resist corrosion, precision-crafted...
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Best DieselTech dpf-filter for 2010-2008 Chevrolet Express 3500 | Direct Fit | Stainless Steel | 649006
$4,144.60
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improce durability and resist corrosion, precision-crafted...
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Best DieselTech dpf-filter for 2009-2007 Dodge Sprinter 2500 | Direct Fit | Stainless Steel | 649005
$2,714.60
Genuine OEM substrates enhance durability, upgraded stainless steel canisters improce durability and resist corrosion, precision-crafted...
Frequently Asked Questions
What size exhaust for deleted diesel?
4" is minimum for deleted diesels; 5" is ideal for heavily modified trucks. Larger diameter dramatically reduces EGT and backpressure, crucial when deleting emissions equipment. Straight-pipe or single muffler designs flow best. Note: Emissions deletion is illegal for street use.
Will bigger exhaust help my stock diesel?
Yes! Even stock diesels benefit from 4" turbo-back systems. Expect lower EGT (50-100°F drop), slightly better MPG (1-2), and improved throttle response. Gains increase dramatically with tuning. Larger exhaust is essential foundation for any diesel performance build.
Turbo-back vs DPF-back exhaust for diesel?
Turbo-back systems (from turbo to tip) provide maximum performance by reducing all backpressure. DPF-back systems (behind diesel particulate filter) maintain emissions compliance while improving flow. For stock trucks staying emissions-legal, DPF-back offers best balance of performance and legality.
How much HP does exhaust add to diesel?
On stock diesel engines, exhaust alone adds 10-20 HP. With tuning, the same exhaust supports 50-100+ HP gains by reducing EGT and backpressure. Exhaust is essential before adding power - it's not the biggest power adder itself but enables other modifications to work safely.
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