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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 241-300 of 305

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Diamond Eye Performance 2007.5-2011 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMANCE D 221008

Exhaust Tail Pipe

Price: $157.15

Sale: $86.41

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Diamond Eye Performance 2004.5-EARLY 2007 DODGE 5.9L CUMMINS 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORM 221076

Exhaust Tail Pipe

Price: $153.73

Sale: $84.54

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. 409 STAINLESS STEEL 36in. STRAIGHT BUMPED O 420036

Exhaust Pipe

Price: $150.69

Sale: $82.88

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. 409 STAINLESS STEEL PERFORMANCE MUFFLER REP 510210

Exhaust Muffler

Price: $149.24

Sale: $82.07

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Diamond Eye Performance 1989-1993 DODGE 5.9L CUMMINS 2500/3500 4X4 ONLY (ALL CAB AND BED LENGTHS)-PERFOR 220103

Exhaust Tail Pipe

Price: $147.11

Sale: $80.91

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Diamond Eye Performance 1993-2001 CHEVY/GMC 6.5L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMANCE 323002

Exhaust Tail Pipe

Price: $143.96

Sale: $79.16

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Diamond Eye Performance 1994-2007 FORD 7.3L-6.0L POWERSTROKE F250/F350 (ALL CAB AND BED LENGTHS)-PERFORM 122027

Exhaust Tail Pipe

Price: $142.36

Sale: $78.27

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Diamond Eye Performance 1999-EARLY 2003 FORD 7.3L POWERSTROKE F250/F350 CAB/CHASSIS-PEFORMANCE DIESEL EX 121050

Exhaust Tail Pipe

Price: $143.96

Sale: $79.16

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Diamond Eye Performance 1993-2001 CHEVY/GMC 6.5L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMANCE 323003

Exhaust Tail Pipe

Price: $139.15

Sale: $76.52

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Diamond Eye Performance 1994-2000 CHEVY/GMC 6.5L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMANCE 322004

Exhaust Tail Pipe

Price: $142.25

Sale: $78.23

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Diamond Eye Performance 2001-EARLY 2007 CHEVY/GMC 6.6L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFOR 332005

Exhaust Tail Pipe

Price: $139.10

Sale: $76.49

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Diamond Eye Performance 2001-EARLY 2007 CHEVY/GMC 6.6L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFOR 332008

Exhaust Tail Pipe

Price: $142.30

Sale: $78.25

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Diamond Eye Performance 1999-EARLY 2003 FORD 7.3L POWERSTROKE F250/F350 CAB/CHASSIS-PEFORMANCE DIESEL EX 121051

Exhaust Tail Pipe

Price: $131.62

Sale: $72.37

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Diamond Eye Performance 1994-2000 CHEVY/GMC 6.5L DIESEL 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMANCE 322003

Exhaust Tail Pipe

Price: $128.20

Sale: $70.50

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. 409 STAINLESS STEEL 24in. STRAIGHT BUMPED O 420024

Exhaust Pipe

Price: $122.10

Sale: $67.15

Diamond Eye Performance 2001-2007.5 CHEVY/GMC 6.6L DURAMAX 2500/3500 (ALL CAB AND BED LENGTHS)-PERFORMAN 321045

Exhaust Flange

Price: $111.91

Sale: $61.55

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3.5in. 409 STAINLESS STEEL PERFORMANCE ELBOW-3.5 529011

Exhaust Pipe

Price: $109.72

Sale: $60.33

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-5in. 409 STAINLESS STEEL PERFORMANCE ELBOW-5in. 524525

Exhaust Pipe

Price: $110.32

Sale: $60.67

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. ALUMINIZED 36in. STRAIGHT BUMPED ON ONE END 400036

Exhaust Pipe

Price: $105.96

Sale: $58.27

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3.5in. 409 STAINLESS STEEL PERFORMANCE ELBOW-3.5 524511

Exhaust Pipe

Price: $100.46

Sale: $55.24

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3.5in. ALUMINIZED PERFORMANCE ELBOW-3.5in. OD X 529010

Exhaust Pipe

Price: $93.32

Sale: $51.31

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. ALUMINIZED PERFORMANCE ELBOW-4in. OD X 4in. 529020

Exhaust Pipe

Price: $80.80

Sale: $44.43

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-V-BAND CLAMP FOR HX40 STYLE TURBO VC400HX40

Exhaust Clamp

Price: $83.79

Sale: $46.08

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3in. 409 STAINLESS STEEL PERFORMANCE ELBOW-3in. 529006

Exhaust Pipe

Price: $77.73

Sale: $42.74

Diamond Eye Performance 409 STAINLESS STEEL PERFORMANCE ELBOW-3in. 524526

Exhaust Pipe

Price: $65.55

Sale: $36.05

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3in. ALUMINIZED PERFORMANCE ELBOW-3in. OD X 3in. 529005

Exhaust Pipe

Price: $66.09

Sale: $36.34

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3in. 409 STAINLESS STEEL TORCA LAP-JOINT CLAMP L30SA

Exhaust Clamp

Price: $55.26

Sale: $30.40

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3in. ALUMINIZED PERFORMANCE ELBOW-3in. OD X 3in. 524505

Exhaust Pipe

Price: $60.56

Sale: $33.30

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-5in. 409 STAINLESS STEEL TORCA LAP-JOINT CLAMP L50SA

Exhaust Clamp

Price: $61.40

Sale: $33.76

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.25in. 409 STAINLESS STEEL TORCA LAP-JOINT CLAMP L22SA

Exhaust Clamp

Price: $52.72

Sale: $28.98

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.5in. 409 STAINLESS STEEL TORCA LAP-JOINT CLAMP L25SA

Exhaust Clamp

Price: $53.53

Sale: $29.43

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-5in. 304 STAINLESS STEEL TORCA BAND CLAMP BC500S304

Exhaust Clamp

Price: $53.53

Sale: $29.43

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. 304 STAINLESS STEEL TORCA BAND CLAMP BC400S304

Exhaust Clamp

Price: $48.09

Sale: $26.43

Diamond Eye Performance 3.5" TORCA BAND CLAMP - 304 STAINLESS STEEL - BC350S304

Exhaust Clamp

Price: $45.08

Sale: $24.80

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-5in. 430 BRIGHT STAINLESS STEEL TORCA BAND CLAMP BC500S430

Exhaust Clamp

Price: $44.27

Sale: $24.34

Diamond Eye Performance - 3in. TORCA BAND CLAMP - 304 STAINLESS STEEL - BC300S304

Exhaust Clamp

Price: $43.29

Sale: $23.80

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.75in. 304 STAINLESS STEEL TORCA BAND CLAMP BC275S304

Exhaust Clamp

Price: $41.66

Sale: $22.91

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.75in. ALUMINIZED TORCA LAP-JOINT CLAMP L27AA

Exhaust Clamp

Price: $40.33

Sale: $22.18

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3.5in. ALUMINIZED TORCA LAP-JOINT CLAMP L35AA

Exhaust Clamp

Price: $41.24

Sale: $22.68

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-3in. ALUMINIZED TORCA LAP-JOINT CLAMP L30AA

Exhaust Clamp

Price: $40.70

Sale: $22.38

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. 430 BRIGHT STAINLESS STEEL TORCA BAND CLAMP BC400S430

Exhaust Clamp

Price: $43.05

Sale: $23.68

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-5in. ALUMINIZED TORCA LAP-JOINT CLAMP L50AA

Exhaust Clamp

Price: $43.59

Sale: $23.98

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.25in. 304 STAINLESS STEEL TORCA BAND CLAMP BC225S304

Exhaust Clamp

Price: $38.25

Sale: $21.03

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.25in. ALUMINIZED TORCA LAP-JOINT CLAMP L22AA

Exhaust Clamp

Price: $39.58

Sale: $21.76

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.5in. ALUMINIZED TORCA LAP-JOINT CLAMP L25AA

Exhaust Clamp

Price: $39.96

Sale: $21.96

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2in. ALUMINIZED TORCA LAP-JOINT CLAMP L20AA

Exhaust Clamp

Price: $39.31

Sale: $21.63

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.75in. 430 BRIGHT STAINLESS STEEL TORCA BAND CL BC275S430

Exhaust Clamp

Price: $35.42

Sale: $19.47

Diamond Eye Performance, 3" TORCA BAND CLAMP 430 BRIGHT STAINLESS STEEL - BC300S430

Exhaust Clamp

Price: $36.63

Sale: $20.14

Diamond Eye Performance 3.5" TORCA BAND CLAMP - 409 STAINLESS STEEL - BC350S409

Exhaust Clamp

Price: $29.98

Sale: $16.48

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.25in. 430 BRIGHT STAINLESS STEEL TORCA BAND CL BC225S430

Exhaust Clamp

Price: $32.00

Sale: $17.60

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Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2in. 430 BRIGHT STAINLESS STEEL TORCA BAND CLAMP BC200S430

Exhaust Clamp

Price: $31.19

Sale: $17.16

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-4in. 409 STAINLESS STEEL TORCA BAND CLAMP BC400S409

Exhaust Clamp

Price: $32.12

Sale: $17.67

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-5in. 409 STAINLESS STEEL TORCA BAND CLAMP BC500S409

Exhaust Clamp

Price: $33.10

Sale: $18.20

Diamond Eye Performance, 3" TORCA BAND CLAMP 409 STAINLESS STEEL - BC300S409

Exhaust Clamp

Price: $29.69

Sale: $16.34

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.75in. 409 STAINLESS STEEL TORCA BAND CLAMP BC275S409

Exhaust Clamp

Price: $28.47

Sale: $15.65

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-5in. ALUMINIZED TORCA BAND CLAMP BC500A

Exhaust Clamp

Price: $29.54

Sale: $16.24

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.25in. 409 STAINLESS STEEL TORCA BAND CLAMP BC225S409

Exhaust Clamp

Price: $26.97

Sale: $14.82

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2.5in. ALUMINIZED TORCA BAND CLAMP BC250A

Exhaust Clamp

Price: $20.24

Sale: $11.14

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-5in. STANDARD STEEL U-BOLT SADDLE CLAMP 444003

Exhaust Clamp

Price: $20.77

Sale: $11.42

Diamond Eye Performance PERFORMANCE DIESEL EXHAUST PART-2in. ALUMINIZED TORCA BAND CLAMP BC200A

Exhaust Clamp

Price: $18.86

Sale: $10.37

Items 241-300 of 305

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