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OCTOBER SALE

Use The Following Coupon Code At Checkout For More Savings On Many Items!

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Diamond Eye

(773 products)

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$394.32 off

Diamond Eye
Diamond Eye K4168A - DPF Back Exhaust Dual Aluminized 16-18 Silverado/Sierra 2500/3500

Sale price $448⁹⁹ Regular price $843³¹
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$516.27 off

Diamond Eye
Diamond Eye K4211S-HX40 - KIT 4in TBSGL SS DDG4X4 89-93 Dodge 5.9L Cummins 2500/3500

Sale price $572⁹⁹ Regular price $1,089²⁶
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$477.86 off

Diamond Eye
Diamond Eye K4209S - Turbo Back Exhaust For 89-93 Dodge 5.9L Cummins Dodge RAM 2500/3500 2X4 4 Inch Stainless

Sale price $533⁹⁹ Regular price $1,011⁸⁵
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$299.45 off

Diamond Eye
Diamond Eye K4166A - KIT 4in DPF-BACK SGL AL 16-17 Chevy/GMC 6.6L Duramax 2500/3500

Sale price $334⁹⁹ Regular price $634⁴⁴

Very low stock (1 unit)
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$456.82 off

Diamond Eye
Diamond Eye K4168S - KIT 4in DPF-BACK DUAL SS 16-17 Chevy/GMC 6.6L Duramax 2500/3500

Sale price $512⁹⁹ Regular price $969⁸¹
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$337.67 off

Diamond Eye
Diamond Eye K4166S - KIT 4in DPF-BACK SGL SS 16-17 Chevrolet 6.6L Duramax 2500/3500

Sale price $391⁹⁹ Regular price $729⁶⁶
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$563.46 off

Diamond Eye
Diamond Eye K4214A-HX40-RP - KIT 4in CSTM TB HX40 DWNP 221040 DUAL AL 94-02 CUMMINS 5 9L NO WARRANTY FITMENT-CSTM KIT

Sale price $621⁹⁹ Regular price $1,185⁴⁵
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$579.21 off

Diamond Eye
Diamond Eye K4214A-HX40 - KIT 4in CSTM TB HX40 DWNP 221040 DUAL AL 94-02 CUMMINS 5 9L NO WARRANTY FITMENT-CSTM KIT

Sale price $637⁹⁹ Regular price $1,217²⁰
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$387.64 off

Diamond Eye
Diamond Eye K4211A-RP-HX40 - KIT 4in TB HX40 DWNP WV-CLAMP MFLR RPLCMENT PIPE SGL AL 4-WHEEL DRIVE ONLY 89-93

Sale price $442⁹⁹ Regular price $830⁶³
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$360.02 off

Diamond Eye
Diamond Eye K4130S - Filter Back Exhaust 07.5-10 Silverado/Sierra 2500/3500 4 inch Single Pass No Muffler Stainless

Sale price $414⁹⁹ Regular price $775⁰¹
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$283.02 off

Diamond Eye
Diamond Eye K4130A - Filter Back Exhaust 07.5-10 Silverado/Sierra 2500/3500 4 inch Single Pass Withou Muffler Aluminized

Sale price $336⁹⁹ Regular price $620⁰¹
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$414.47 off

Diamond Eye
Diamond Eye K4212A-HX40 - KIT 4in TB HX40 DWNP 221040 SGL AL 94-02 CUMMINS 5 9L NO WARRANTY ON FITTMENT-CSTM KIT

Sale price $469⁹⁹ Regular price $884⁴⁶
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$363.37 off

Diamond Eye
Diamond Eye K4212A-HX40-RP - KIT 4in TB HX40 DWNP 221040 SGL AL 94-02 CUMMINS 5 9L NO WARRANTY ON FITTMENT-CSTM KIT

Sale price $408⁹⁹ Regular price $772³⁶
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$477.34 off

Diamond Eye
Diamond Eye K4214A-RP - Turbo Back Exhaust 94-02RAM 2500/3500 4 Inch Single/Dual Split Rear/Side No Muffler Aluminized

Sale price $517⁹⁹ Regular price $995³³

Low stock (3 units)
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$285.98 off

Diamond Eye
Diamond Eye K4122A-RP - Cat Back Exhaust System For 06-07.5 Silverado/Sierra 2500/3500 4 inch Single Pass No Muffler Aluminized

Sale price $338⁹⁹ Regular price $624⁹⁷
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$340.79 off

Diamond Eye
Diamond Eye K4122A - Cat Back Exhaust System For 06-07.5 Silverado/Sierra 2500/3500 4 inch Single Pass With Muffler Aluminized

Sale price $395⁹⁹ Regular price $736⁷⁸
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$354.87 off

Diamond Eye
Diamond Eye K4122S-RP - Cat Back Exhaust System For 06-07.5 Silverado/Sierra 2500/3500 4 inch Single Pass No Muffler Stainless

Sale price $408⁹⁹ Regular price $763⁸⁶
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$411.40 off

Diamond Eye
Diamond Eye K4122S - Cat Back Exhaust System For 06-07.5 Silverado/Sierra 2500/3500 4 inch Single Pass With Muffler Stainless

Sale price $467⁹⁹ Regular price $879³⁹
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$293.98 off

Diamond Eye
Diamond Eye K4110A-RP - Exhaust System 01-05 Silverado/Sierra 2500/3500 6.6L Duramax 4 Inch Without Muffler Aluminized

Sale price $330⁹⁹ Regular price $624⁹⁷

In stock
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$471.23 off

Diamond Eye
Diamond Eye K4124A - Cat Back Exhaust System 06-07.5 Silverado/Sierra 2500/3500 4 In. Split Rear/Side W/ Muffler Aluminized

Sale price $526⁹⁹ Regular price $998²²
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$411.40 off

Diamond Eye
Diamond Eye K4110S - Cat Back Exhaust System For 01-05 Silverado/Sierra 2500/3500 6.6L 4 inch Single Pass With Muffler Stainless

Sale price $467⁹⁹ Regular price $879³⁹
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$354.87 off

Diamond Eye
Diamond Eye K4110S-RP - Cat Back Exhaust System For 01-05 Silverado/Sierra 2500/3500 6.6L 4 inch Single Pass No Muffler Stainless

Sale price $408⁹⁹ Regular price $763⁸⁶
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$411.60 off

Diamond Eye
Diamond Eye K4124A-RP - Cat Back Exhaust System 06-07.5 Silverado/Sierra 2500/3500 4 In. Split Rear/Side No Muffler Aluminized

Sale price $467⁹⁹ Regular price $879⁵⁹
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$588.90 off

Diamond Eye
Diamond Eye K4124S - Cat Back Exhaust System 06-07.5 Silverado/Sierra 2500/3500 4 inch Split Rear/Side With Muffler Stainless

Sale price $646⁹⁹ Regular price $1,235⁸⁹
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$364.02 off

Diamond Eye
Diamond Eye K4212A - Turbo Back Exhaust 94-02RAM 2500/3500 4 Inch Single In/ Single Out Pass With Muffler Aluminized

Sale price $401⁹⁹ Regular price $766⁰¹

In stock
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$326.26 off

Diamond Eye
Diamond Eye K4212A-TDRP - Turbo Back Exhaust System For Dodge 5.9 Liter Muffler Replacement Pipe Underbody Exit Single Turn Down Aluminized

Sale price $362⁹⁹ Regular price $689²⁵

Low stock (2 units)
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$370.33 off

Diamond Eye
Diamond Eye K4212A-TD - Turbo Back Exhaust 4 Inch Dodge 5.9 Liter With Muffler Single Turn Down Aluminized

Sale price $413⁹⁹ Regular price $784³²
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$569.54 off

Diamond Eye
Diamond Eye K4211A-HX40 - KIT 4in TB HX40 DWNP W/V-CLAMP SGL AL: 4-WHEEL DRIVE ONLY 89-93 DODGE CUMMINS 5.9L

Sale price $567⁹⁹ Regular price $1,137⁵³

Low stock (2 units)
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$456.93 off

Diamond Eye
Diamond Eye K4212S - Turbo Back Exhaust With Muffler For 94-02 Dodge RAM 2500/3500 5.9L Cummins 4 Inch Stainless

Sale price $512⁹⁹ Regular price $969⁹²
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$459.46 off

Diamond Eye
Diamond Eye K4212S-TD - Turbo Back Exhaust Dodge 5.9L Underbody Exit Single Turn Down Stainless

Sale price $514⁹⁹ Regular price $974⁴⁵
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$423.75 off

Diamond Eye
Diamond Eye K4212S-RP - Turbo Back Exhaust No Muffler For 94-02 Dodge RAM 2500/3500 5.9L Cummins 4 Inch Stainless

Sale price $478⁹⁹ Regular price $902⁷⁴
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$435.93 off

Diamond Eye
Diamond Eye K4212S-TDRP - Turbo Back Exhaust System For Dodge 5.9 Liter 4 Inch Muffler Replacement Pipe Single Turn Down 409 Stainless Steel

Sale price $490⁹⁹ Regular price $926⁹²
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$530.07 off

Diamond Eye
Diamond Eye K4214A - Turbo Back Exhaust 94-02 RAM 2500/3500 4 Inch Single In/Out Split Rear/Side W/ Muffler Aluminized

Sale price $586⁹⁹ Regular price $1,117⁰⁶
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$23.71 off

Diamond Eye
Diamond Eye K4211A-5 - KIT 4in CLAMP TB SGL AL: 89-93 DODGE CUMMINS 5.9L

Sale price $71⁹⁹ Regular price $95⁷⁰
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$528.64 off

Diamond Eye
Diamond Eye K4124S-RP - KIT 4in CB MFLR RPLCMENT PIPE DUAL SS: 2006-2007.5 CHEVY/GMC 6.6L 2500/3500

Sale price $585⁹⁹ Regular price $1,114⁶³
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$386.03 off

Diamond Eye
Diamond Eye K4156A - Filter Back Exhaust For 11-12 Silverado/Sierra 2500/3500 6.6L Duramax 4 Inch Single Side Aluminized

Sale price $357⁹⁹ Regular price $744⁰²

Low stock (2 units)
Compare

$360.02 off

Diamond Eye
Diamond Eye K4156S - Filter Back Exhaust For 11-12 Silverado/Sierra 2500/3500 6.6L Duramax 4 inch Single Side Stainless

Sale price $414⁹⁹ Regular price $775⁰¹
Compare

$389.73 off

Diamond Eye
Diamond Eye K4163A - DPF Back Exhaust For 11-15 Silverado/Sierra 2500/3500 4 Inch Single/Dual Split Side Aluminized

Sale price $444⁹⁹ Regular price $834⁷²
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$411.40 off

Diamond Eye
Diamond Eye K4209A - Turbo Back Exhaust With Muffler For 89-93 Dodge RAM 2500/3500 Long Bed 4 Inch RWD Side Aluminized

Sale price $467⁹⁹ Regular price $879³⁹
Compare

$451.37 off

Diamond Eye
Diamond Eye K4163S - DPF Back Exhaust For 11-15 Silverado/Sierra 2500/3500 4 Inch Single In Dual Out Split Side Stainless

Sale price $507⁹⁹ Regular price $959³⁶
Compare

$582.96 off

Diamond Eye
Diamond Eye K4209A-HX40 - KIT 4in TB HX40 DWNP W/ V-Band SGL AL: 2-WHEEL DRIVE ONLY 89-93 DODGE CUMMINS 5.9L

Sale price $364⁹⁹ Regular price $947⁹⁵

Very low stock (1 unit)
Compare

$680.29 off

Diamond Eye
Diamond Eye K4214S - Turbo Back Exhaust 94-02 RAM 2500/3500 4 Inch Single In/Out Split Rear/Side W/ Muffler Stainless

Sale price $740⁹⁹ Regular price $1,421²⁸
Compare

$526.79 off

Diamond Eye
Diamond Eye K4129S - Filter Back Exhaust 07.5-10 Silverado/Sierra 2500/3500 LMM 4 inch Single Pass No Muffler Stainless

Sale price $583⁹⁹ Regular price $1,110⁷⁸
Compare

$615.62 off

Diamond Eye
Diamond Eye K4214S-RP - Turbo Back Exhaust 94-02RAM 2500/3500 4 Inch Single/Dual Split Rear/ Split Side No Muffler Stainless

Sale price $675⁹⁹ Regular price $1,291⁶¹
Compare

$52.91 off

Diamond Eye
Diamond Eye A321046

Sale price $99⁹⁹ Regular price $152⁹⁰
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Diamond Eye
Diamond Eye K3622A Exhaust System Kit

Regular price $0⁰⁰
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$60.56 off

Diamond Eye
Diamond Eye 614004 - 2ND SEC TAIL PIPE DODGE SGL

Sale price $108⁹⁹ Regular price $169⁵⁵
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$55.75 off

Diamond Eye
Diamond Eye 661027 - TAILP 3 1/2in 2ND SEC SS FORD RAPTOR

Sale price $104⁹⁹ Regular price $160⁷⁴
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$68.83 off

Diamond Eye
Diamond Eye 661022 - TAILP 4in 1ST SEC GAS SS 11-12 FORD ECOBOOST OVERALL DIMENSIONS 26inX12inX9in

Sale price $117⁹⁹ Regular price $186⁸²
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$112.77 off

Diamond Eye
Diamond Eye 661020 - INT PIPE 4in GAS SS 11-12 FORD ECOBOOST OVERALL DIMENSIONS 44inX8inX5in

Sale price $162⁹⁹ Regular price $275⁷⁶

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