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Diamond Eye Performance - High-Quality Exhaust Systems

Norcal Diesel Performance proudly offers Diamond Eye Performance, a trusted name in aftermarket exhaust systems for diesel and gas trucks. Known for their precision-engineered exhaust kits, downpipes, and mufflers, Diamond Eye Performance products are designed to improve airflow, boost horsepower, and enhance fuel efficiency. Their exhaust systems are available in aluminized steel and stainless steel options, providing durability and performance tailored to your needs.

Manufactured in the USA with a commitment to quality, Diamond Eye Performance exhausts are rigorously tested to ensure optimal fitment and long-lasting reliability. Whether you’re upgrading your Cummins, Duramax, or Powerstroke engine for towing, racing, or daily driving, Norcal Diesel Performance offers a wide selection of Diamond Eye products to help you achieve peak performance. Explore our inventory today and experience the difference that Diamond Eye Performance can make!

Diamond Eye Performance Categories

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Items 1-30 of 30

1989-1993 Dodge Exhaust Parts

1989-1993 Dodge Exhaust Systems 12V Cummins

1994-1998 12V Cummins Exhaust Systems

1994-1998 12V Cummins Turbo Chargers & Components

1998.5-2002 Dodge 5.9L Exhaust

1998.5-2002 Dodge 5.9L Turbo Chargers & Components

2003-2007 Dodge 5.9L Exhaust Systems

2003-2007 Dodge 5.9L Exhaust Parts

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2014-2018 Ram Eco Diesel

4.0" Inlet Exhaust Tips

5.0" Inlet Exhaust Tips

6.4L Powerstroke Exhaust Parts

6.6L LB7 Exhaust Parts

6.6L LLY/LBZ Exhaust Parts

6.6L LLY Exhaust Parts

6.6L LMM Exhaust Systems

6.6L LMM Exhaust Parts

7.3L OBS Exhaust Parts

Down Pipes

Exhaust

Exhaust Parts

Exhaust Systems

Exhaust Tips

Exhaust Tips & Stacks

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Exhaust Tips & Stacks

GM 6.2L & 6.5L Exhaust Parts

Mufflers

Items 1-30 of 30

Diamond Eye Performance Products

Items 181-240 of 305

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Diamond Eye 4" DPF Back w/ Turn Down for 11-15 Duramax Diesel - K4156A-TD

Exhaust System Kit

Price: $744.02

Sale: $409.14

Diamond Eye Performance 2006-2007.5 CHEVY/GMC 6.6L DURAMAX 2500/3500 (ALL CAB AND BED LENGTHS) 4in. ALUM K4122A-RP

Exhaust System Kit

Price: $749.97

Sale: $412.43

Diamond Eye 4" DPF Back for 2013-2016 Ram 2500 CCSB with 6.7L Cummins - K4259A

Exhaust System Kit

Price: $726.20

Sale: $399.34

Diamond Eye Performance 2008-2010 FORD 6.4L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS) 4in. ALUMINZ K4360A

Exhaust System Kit

Price: $713.02

Sale: $392.09

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. 409 STAINLESS STEEL PERFORMANCE PERFORATED 460050

Exhaust Muffler

Price: $582.15

Sale: $320.13

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3.5in. 409 STAINLESS STEEL PERFORMANCE PERFORATE 360012

Exhaust Muffler

Price: $546.09

Sale: $300.29

Diamond Eye Performance 2004.5-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORM 510212

Exhaust Muffler

Price: $524.87

Sale: $288.63

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-5in. 409 STAINLESS STEEL PERFORMANCE PERFORATED 560031

Exhaust Muffler

Price: $517.58

Sale: $284.62

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Diamond Eye Performance 2004.5-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORM 262060

Exhaust Tail Pipe

Price: $510.45

Sale: $280.71

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3.5in. 409 STAINLESS STEEL PERFORMANCE PERFORATE 360011

Exhaust Muffler

Price: $496.27

Sale: $272.90

Diamond Eye Performance, 5" LOUVERED HIGH FLOW- STRAIGHT THROUGH PERFORMANCE MUFFLER - 5" x 5" x 26" - ALUMINIZED - 460150

Exhaust Muffler

Price: $496.71

Sale: $273.15

Diamond Eye Performance KIT, DOWNPIPE, 4"; ALUMINIZED: 2008-2010 FORD 6.4L POWERSTROKE F250/F350 125102

Exhaust Clamp

Price: $453.77

Sale: $249.53

Diamond Eye Performance 5" ALUMINIZED LOUVERED HIGH FLOW- STRAIGHT THROUGH PERFORMANCE MUFFLER - 5" I.D. X 5" I.D. - 460100

Exhaust Muffler

Price: $404.14

Sale: $222.24

Diamond Eye Performance, 4" ID x 8" OD x 18" Long, Bolt-On, Rolled Angle, Black, Exhaust Tip, 4818BRA-DEBK

Exhaust Tail Pipe Tip

Price: $405.43

Sale: $222.95

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Diamond Eye Performance 2004.5-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORM 262061

Exhaust Tail Pipe

Price: $390.26

Sale: $214.60

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. ALUMINIZED PERFORMANCE LOUVERED Y MUFFLER-3 460017

Exhaust Muffler

Price: $392.18

Sale: $215.68

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3.5in. 409 STAINLESS STEEL PERFORMANCE PERFORATE 360010

Exhaust Muffler

Price: $388.28

Sale: $213.52

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Diamond Eye Performance 2008-2010 FORD 6.4L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS)-PERFORMANCE 165061

Exhaust Tail Pipe

Price: $380.48

Sale: $209.24

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. 409 STAINLESS STEEL PERFORMANCE PERFORATED 470050

Exhaust Muffler

Price: $377.93

Sale: $207.83

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Diamond Eye Performance 2007.5-2010 CHEVY/GMC 6.6L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMANC 341011

Exhaust Tail Pipe

Price: $328.73

Sale: $180.78

Exhaust Pipe 4 Inch 04.5-Early 07 RAM 2500/3500 First Section Driver Side Stainless Exhaust Tail Pipe Diamond Eye

Price: $329.91

Sale: $181.43

Exhaust Pipe 4 Inch 04.5-Early 07 RAM 2500/3500 Second Section Driver Side Stainless Exhaust Tail Pipe Diamond Eye

Price: $330.77

Sale: $181.89

Diamond Eye Performance - Exhaust Pipe 4 Inch 04.5-Early 07 RAM 2500/3500 Second Section Pass Stainless Performance Series Exhaust Tail Pipe Diamond Eye

Exhaust Pipe 4 Inch 04.5-Early 07 RAM 2500/3500 Second Section Pass Stainless Performance Series Exhaust Tail Pipe Diamond Eye

Price: $335.69

Sale: $184.61

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Diamond Eye Performance 2001-EARLY 2007 CHEVY/GMC 6.6L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFOR 362007

Exhaust Tail Pipe

Price: $324.29

Sale: $178.34

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Diamond Eye Performance 2004.5-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORM 222060

Exhaust Tail Pipe

Price: $320.87

Sale: $176.46

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. ALUMINIZED PERFORMANCE LOUVERED MUFFLER-30i 460005

Exhaust Muffler

Price: $324.52

Sale: $178.46

Diamond Eye Performance TIP; BOLT-ON TURN DOWN; 4in. ID X 5in. OD X 16in. LONG; 4516BTD

Exhaust Tail Pipe Tip

Price: $324.51

Sale: $178.44

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Diamond Eye Performance 2007.5-2010 CHEVY/GMC 6.6L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMANC 361010

Exhaust Tail Pipe

Price: $315.79

Sale: $173.65

Diamond Eye Performance 1994-2002 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGHTS)-PERFORMANCE DIE 261001

Turbocharger Down Pipe

Price: $305.06

Sale: $167.76

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. 409 STAINLESS STEEL PERFORMANCE Y PIPE-4in. 420065

Exhaust Pipe

Price: $295.65

Sale: $162.58

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. ALUMINIZED PERFORMANCE LOUVERED MUFFLER-26i 460002

Exhaust Muffler

Price: $282.87

Sale: $155.56

Diamond Eye Performance TIP; BOLT-ON ANGLE CUT; 5in. ID X 6in. OD X 18in. LONG; 5618BAC

Exhaust Tail Pipe Tip

Price: $281.23

Sale: $154.66

Diamond Eye Performance TIP; ROLLED ANGLE CUT; 5in. ID X 6in. OD X 18in. LONG; 304 STAINLESS 5618RA

Exhaust Tail Pipe Tip

Price: $281.23

Sale: $154.66

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.5in ALUMINIZED CROSSOVER PIPE 321099

Exhaust Clamp

Price: $263.46

Sale: $144.88

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Diamond Eye Performance 1994-2007 FORD 7.3L-6.0L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS)-PERFORM 162026

Exhaust Tail Pipe

Price: $254.97

Sale: $140.21

Diamond Eye Performance 2001-EARLY 2007 CHEVY/GMC 6.6L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFOR 362005

Exhaust Tail Pipe

Price: $261.10

Sale: $143.57

Diamond Eye Performance - Exhaust Pipe 4 Inch 04.5-Early 07 RAM 2500/3500 First Section Pass Stainless Performance Series Exhaust Tail Pipe Diamond Eye

Exhaust Pipe 4 Inch 04.5-Early 07 RAM 2500/3500 First Section Pass Stainless Performance Series Exhaust Tail Pipe Diamond Eye

Price: $237.14

Sale: $130.41

Diamond Eye Performance 5" INLET X 6" OUTLET X 12" LONG BOLT ON ROLLED ANGLE BLACK EXHAUST TIP 5612BRA-DEBK

Exhaust Tail Pipe Tip

Price: $231.20

Sale: $127.13

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Diamond Eye Performance 2008-2010 FORD 6.4L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS)-PERFORMANCE 125060

Exhaust Tail Pipe

Price: $224.94

Sale: $123.69

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Diamond Eye Performance 2007.5-2011 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMANCE D 221007

Exhaust Tail Pipe

Price: $221.04

Sale: $121.54

No Image Available

Diamond Eye Performance 1994-1997.5 FORD 7.3L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS)-PERFORMANC 162002

Turbocharger Down Pipe

Price: $210.64

Sale: $115.83

No Image Available

Diamond Eye Performance 2003-2007 FORD 6.0L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS)-PERFORMANCE 165031

Turbocharger Down Pipe

Price: $215.32

Sale: $118.41

No Image Available

Diamond Eye Performance 2004.5-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORM 221079

Exhaust Tail Pipe

Price: $211.48

Sale: $116.30

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Diamond Eye Performance 1994-2007 FORD 7.3L-6.0L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS)-PERFORM 162027

Exhaust Tail Pipe

Price: $207.57

Sale: $114.14

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Diamond Eye Performance 1994-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGHTS)-PERFORMAN 261004

Exhaust Tail Pipe

Price: $200.45

Sale: $110.23

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Diamond Eye Performance 1999-EARLY 2003 FORD 7.3L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS)-PERFOR 161002

Exhaust Tail Pipe

Price: $201.21

Sale: $110.65

No Image Available

Diamond Eye Performance 2001-2007.5 CHEVY/GMC 6.6L DURAMAX 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMAN 361052

Exhaust Tail Pipe

Price: $200.45

Sale: $110.23

No Image Available

Diamond Eye Performance 2001-EARLY 2007 CHEVY/GMC 6.6L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFOR 362008

Exhaust Tail Pipe

Price: $207.57

Sale: $114.14

No Image Available

Diamond Eye Performance 1994-2007 FORD 7.3L-6.0L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS)-PERFORM 162025

Exhaust Tail Pipe

Price: $195.13

Sale: $107.31

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Diamond Eye Performance 2001-2007.5 CHEVY/GMC 6.6L DURAMAX 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMAN 361051

Exhaust Tail Pipe

Price: $195.13

Sale: $107.31

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Diamond Eye Performance 2004.5-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORM 221077

Exhaust Tail Pipe

Price: $194.22

Sale: $106.81

Diamond Eye Performance 2004.5-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORM 510217

Exhaust Muffler

Price: $193.39

Sale: $106.35

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Diamond Eye Performance 2001-EARLY 2007 CHEVY/GMC 6.6L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFOR 332007

Exhaust Tail Pipe

Price: $186.05

Sale: $102.32

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. 409 STAINLESS STEEL 48in. STRAIGHT BUMPED O 420048

Exhaust Pipe

Price: $187.97

Sale: $103.37

Diamond Eye Tailpipe Assy 2003-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS) 221064

Exhaust Tail Pipe

Price: $186.05

Sale: $102.32

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Diamond Eye Performance 2004.5-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORM 221078

Exhaust Tail Pipe

Price: $179.11

Sale: $98.50

No Image Available

Diamond Eye Performance 1994-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGHTS)-PERFORMAN 261005

Exhaust Tail Pipe

Price: $173.37

Sale: $95.34

Diamond Eye Performance TIP; ROLLED ANGLE CUT; 5in. ID X 6in. OD X 15in. LONG; 304 STAINLESS 5615RA

Exhaust Tail Pipe Tip

Price: $173.11

Sale: $95.20

Diamond Eye Performance 2001-2007.5 CHEVY/GMC 6.6L DURAMAX 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMAN 361045

Exhaust Flange

Price: $168.69

Sale: $92.76

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Diamond Eye Performance 1989-1993 DODGE 5.9L CUMMINS 2500/3500 4X4 ONLY (ALL CAB AND BED LENGTHS)-PERFOR 220102

Exhaust Tail Pipe

Price: $167.57

Sale: $92.14

Items 181-240 of 305

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