Skip to content

Search

Product type

All
Headers & Manifolds
Insurance

Menu

Home
Shop Parts
Brands
Current Sales
CSP TV
Installs & Tuning
Blog
Contact

Summer Sale

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

USA

Copied

Diamond Eye

(769 products)

Sort by

Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

Compare

View as List Grid

Compare

$670.99 off

Diamond Eye
Diamond Eye K5123S - Cat Back Exhaust System For 06-07 Silverado/Sierra 2500/3500 5 Inch Single Pass With Muffler Stainless

Sale price $608⁹⁹ Regular price $1,279⁹⁸
Compare

$618.68 off

Diamond Eye
Diamond Eye K5131S - Filter Back Exhaust For 07.5-10 Silverado/Sierra 2500/3500 6.6L LMM 5 Inch Single Pass Stainless

Sale price $565⁹⁹ Regular price $1,184⁶⁷
Compare

$596.57 off

Diamond Eye
Diamond Eye K5123A - Cat Back Exhaust System For 06-07 Silverado/Sierra 2500/3500 5 Inch Single Pass With Muffler Aluminized

Sale price $545⁹⁹ Regular price $1,142⁵⁶
Compare

$584.54 off

Diamond Eye
Diamond Eye K5131A - Filter Back Exhaust For 07.5-10 Silverado/Sierra 2500/3500 6.6L LMM 5 Inch Single Pass Aluminized

Sale price $536⁹⁹ Regular price $1,121⁵³
Compare

$595.51 off

Diamond Eye
Diamond Eye K4363S - DPF Back Exhaust For 08-10 Ford 6.4L Power Stoke F250/F350 4 Inch Single Passenger Side Stainless

Sale price $545⁹⁹ Regular price $1,141⁵⁰
Compare

$477.84 off

Diamond Eye
Diamond Eye K4363A - DPF Back Exhaust For 08-10 Ford 6.4L Power Stoke F250/F350 4 Inch Single Passenger Side Aluminized

Sale price $445⁹⁹ Regular price $923⁸³
Compare

$593.36 off

Diamond Eye
Diamond Eye K5123S-RP - Cat Back Exhaust System For 06-07 Silverado/Sierra 2500/3500 5 Inch Single Pass No Muffler Stainless

Sale price $544⁹⁹ Regular price $1,138³⁵
Compare

$510.45 off

Diamond Eye
Diamond Eye K5123A-RP - KIT 5in CB MRP SGL w/ TDP AL 06-07 Chevy/GMC 6.6L Duramax 2500/3500

Sale price $547⁹⁹ Regular price $1,058⁴⁴
Compare

$305.49 off

Diamond Eye
Diamond Eye K4379A - KIT 4in DPF-BACK SGL AL 2017 FORD 6.7L POWERSTROKE F250/350

Sale price $340⁹⁹ Regular price $646⁴⁸
Compare

$327.50 off

Diamond Eye
Diamond Eye K4378S - KIT 4in DPF-BACK SGL AL 15-16 FORD POWERSTROKE 6.7L F250/F350

Sale price $318⁹⁹ Regular price $646⁴⁹
Compare

$354.45 off

Diamond Eye
Diamond Eye K4379S - KIT 4in DPF-BACK SGL SS 2017 FORD 6.7L POWERSTROKE F250/350

Sale price $388⁹⁹ Regular price $743⁴⁴
Compare

$305.50 off

Diamond Eye
Diamond Eye K4378A - KIT 4in DPF-BACK SGL AL 15-16 FORD POWERSTROKE 6.7L F250/F350

Sale price $340⁹⁹ Regular price $646⁴⁹
Compare

$453.40 off

Diamond Eye
Diamond Eye K5126A - Cat Back Exhaust System 06-07.5 Silverado/Sierra 2500/3500 5 In. Single Pass Louvered W/ Muffler Aluminized

Sale price $425⁹⁹ Regular price $879³⁹
Compare

$383.20 off

Diamond Eye
Diamond Eye K4360S - Filter Back Exhaust For 08-10 Ford F250/F350 Superduty 6.4L Powerstroke 4 inch Single Pass Stainless

Sale price $365⁹⁹ Regular price $749¹⁹
Compare

$516.53 off

Diamond Eye
Diamond Eye K5216A - Turbo Back Exhaust 94-02 Dodge RAM 2500/3500 5 Inch Single In/Dual Out Pass With Muffler Aluminized

Sale price $552⁹⁹ Regular price $1,069⁵²

In stock
Compare

$384.42 off

Diamond Eye
Diamond Eye K4376S - Filter Back Exhaust For 11-14 Ford F250/F350 Superduty 6.7L Powerstroke 4 Inch Single Pass Stainless

Sale price $399⁹⁹ Regular price $784⁴¹
Compare

$537.57 off

Diamond Eye
Diamond Eye K5126S - Cat Back Exhaust System For 06-07.5 Silverado/Sierra 2500/3500 5 Inch Single Pass With Muffler Stainless

Sale price $496⁹⁹ Regular price $1,034⁵⁶
Compare

$363.87 off

Diamond Eye
Diamond Eye K5126A-RP - Cat Back Exhaust System 06-07.5 Silverado/Sierra 2500/3500 5 In. Single Pass Louvered No Muffler Aluminized

Sale price $399⁹⁹ Regular price $763⁸⁶

Low stock (4 units)
Compare

$438.78 off

Diamond Eye
Diamond Eye K5126S-RP - Cat Back Exhaust System For 06-07.5 Silverado/Sierra 2500/3500 5 Inch Single Pass No Muffler Stainless

Sale price $412⁹⁹ Regular price $851⁷⁷
Compare

$427.42 off

Diamond Eye
Diamond Eye K5162A - Filter Back Exhaust For 11-12 Silverado/Sierra 2500/3500 6.6L Duramax 5 Inch Single Side Aluminized

Sale price $404⁹⁹ Regular price $832⁴¹
Compare

$465.75 off

Diamond Eye
Diamond Eye K5134S - Filter Back Exhaust For 07.5-10 Silverado/Sierra 2500/3500 5 Inch Single Pass No Muffler Stainless

Sale price $436⁹⁹ Regular price $902⁷⁴
Compare

$464.19 off

Diamond Eye
Diamond Eye K5162S - Filter Back Exhaust For 11-12 Silverado/Sierra 2500/3500 6.6L Duramax 5 Inch Single Side Stainless

Sale price $434⁹⁹ Regular price $899¹⁸
Compare

$565.68 off

Diamond Eye
Diamond Eye K5216A-HX40 - KIT 5in CSTM TB HX40 DWNP 221040 SGL AL 94-02 CUMMINS 5 9L NO WARRANTY-CSTM KIT

Sale price $603⁹⁹ Regular price $1,169⁶⁷
Compare

$428.31 off

Diamond Eye
Diamond Eye K5134A - Filter Back Exhaust For 07.5-10 Silverado/Sierra 2500/3500 Single Pass No Muffler 5 Inch Aluminized

Sale price $404⁹⁹ Regular price $833³⁰
Compare

Diamond Eye
Diamond Eye K4332A - Turbo Back Exhaust 00-03.5 Excursion 4 Inch Single Pass With Muffler Aluminized Diesel Exhaust

Regular price $0⁰⁰
Compare

$295.64 off

Diamond Eye
Diamond Eye K4376A - Filter Back Exhaust For 11-14 Ford F250/F350 Superduty 6.7L 4 Inch Single Pass Aluminized

Sale price $330⁹⁹ Regular price $626⁶³

Very low stock (1 unit)
Compare

$598.90 off

Diamond Eye
Diamond Eye K4340S - Cat Back Exhaust System 03-07 Ford F250/F350 Superduty 6.0L 4 inch With Muffler Split Rear/Side Stainless

Sale price $636⁹⁹ Regular price $1,235⁸⁹

Low stock (2 units)
Compare

$579.07 off

Diamond Eye
Diamond Eye K4340S-RP - Cat Back Exhaust System For 03-07 Ford F250/F350 Superduty 6.0L 4 inch No Muffler Split Rear/Side Stainless

Sale price $531⁹⁹ Regular price $1,111⁰⁶
Compare

$375.79 off

Diamond Eye
Diamond Eye K4354A - Cat Back Exhaust System 03-06 Excursion 6.0L 4 Inch With Muffler Aluminized Diesel Exhaust

Sale price $360⁹⁹ Regular price $736⁷⁸
Compare

$294.98 off

Diamond Eye
Diamond Eye K4354A-RP - Cat Back Exhaust System 03-06 Excursion 6.0L 4 Inch No Muffler Aluminized Performance Series Diesel Exhaust

Sale price $329⁹⁹ Regular price $624⁹⁷
Compare

$518.23 off

Diamond Eye
Diamond Eye K4340A - Cat Back Exhaust System 03-07 Ford F250/F350 Superduty 6.0L 4 Inch With Muffler Split Rear/Side Aluminized

Sale price $479⁹⁹ Regular price $998²²
Compare

$350.79 off

Diamond Eye
Diamond Eye K4338A - Cat Back Exhaust System For 03-07 Ford F250/F350 Superduty 6.0L 4 Inch With Muffler Single Pass Aluminized

Sale price $385⁹⁹ Regular price $736⁷⁸

Very low stock (1 unit)
Compare

$453.40 off

Diamond Eye
Diamond Eye K4338S - Cat Back Exhaust System For 03-07 Ford F250/F350 Superduty 6.0L 4 inch Single Side With Muffler Stainless

Sale price $425⁹⁹ Regular price $879³⁹
Compare

$363.87 off

Diamond Eye
Diamond Eye K4338S-RP - Cat Back Exhaust System For 03-07 Ford F250/F350 Superduty 6.0L 4 inch Single Side No Muffler Stainless

Sale price $399⁹⁹ Regular price $763⁸⁶
Compare

Diamond Eye
Diamond Eye K4319S-RP - Turbo Back Exhaust 00-03.5 Ford F250/F350 Superduty 7.3L 4 inch Single Pass No Muffler Stainless

Regular price $0⁰⁰
Compare

Diamond Eye
Diamond Eye K4319S-TDRP - Turbo Back Exhaust System 00-03.5 Ford 7.3L F250/F-350 4 Inch Muffler Replacement Pipe Single Turn Down Rear Exit 409 Stainless Steel

Regular price $0⁰⁰
Compare

$374.33 off

Diamond Eye
Diamond Eye K4319A-TD - Turbo Back Exhaust Ford 7.3 Liter 4 Inch With Muffler Single Turn Down Underbody Exit Aluminized

Sale price $409⁹⁹ Regular price $784³²

In stock
Compare

$504.46 off

Diamond Eye
Diamond Eye K4319S-TD - Turbo Back Exhaust Ford 7.3 Liter Underbody Exit Single Turn Down With Muffler Stainless

Sale price $469⁹⁹ Regular price $974⁴⁵
Compare

$479.93 off

Diamond Eye
Diamond Eye K4319S - Turbo Back Exhaust 00-03.5 Ford F250/F350 Superduty 4 inch Single In/Out Pass With Muffler Stainless

Sale price $489⁹⁹ Regular price $969⁹²
Compare

$492.23 off

Diamond Eye
Diamond Eye K4306S-4 - KIT 4in TB SGL SS 94-97 5 7 3L F250/F350 PWRSTROKE W PYROMETER PLUG NFS W CARB EQIV STDS

Sale price $529⁹⁹ Regular price $1,022²²
Compare

Diamond Eye
Diamond Eye K4319A - Turbo Back Exhaust 00-03.5 F250/F350 4 Inch Single In/ Single Out Pass With Muffler Aluminum

Regular price $0⁰⁰
Compare

$425.90 off

Diamond Eye
Diamond Eye K4306A-4 - KIT 4in TB SGL AL 94-97 7 3L F250/F350 PWRSTROKE NFS W CARB EQIV STDS W PYR PLUG

Sale price $462⁹⁹ Regular price $888⁸⁹
Compare

$479.34 off

Diamond Eye
Diamond Eye K4308A-RP - Turbo Back Exhaust 94-97.5 F250/F350 4 Inch Single/Dual Split Rear/Side No Muffler Aluminum

Sale price $515⁹⁹ Regular price $995³³
Compare

$626.62 off

Diamond Eye
Diamond Eye K4308S-RP - Turbo Back Exhaust 94-97.5 F250/F350 4 inch Single/Dual Split Rear/Side No Muffler Stainless

Sale price $664⁹⁹ Regular price $1,291⁶¹
Compare

$402.33 off

Diamond Eye
Diamond Eye K4318A-TD - KIT 4in TB SGL AL: TURN DOWN 00-03 FORD 7.3L F250/F350

Sale price $381⁹⁹ Regular price $784³²
Compare

$390.87 off

Diamond Eye
Diamond Eye K4234S-RP - Cat Back Exhaust System For 04.5-07.5 Dodge RAM 2500/3500 5.9L Cummins 4 InchPassExit No Muffler Stainless

Sale price $372⁹⁹ Regular price $763⁸⁶
Compare

$582.07 off

Diamond Eye
Diamond Eye K4320A - KIT 4in TB DUAL AL: 00-03 FORD 7.3L F250/F350

Sale price $534⁹⁹ Regular price $1,117⁰⁶
Compare

$518.23 off

Diamond Eye
Diamond Eye K4236A - Cat Back Exhaust System For 04.5-07.5 Dodge RAM 2500/3500 4 Inch Split Side Witht Muffler Aluminized

Sale price $479⁹⁹ Regular price $998²²
Compare

$294.98 off

Diamond Eye
Diamond Eye K4234A-RP - Cat Back Exhaust System For 04.5-07.5 Dodge RAM 2500/3500 Cummins 4 Inch Single Side No Muffler Aluminized

Sale price $329⁹⁹ Regular price $624⁹⁷

Low stock (2 units)
Compare

$421.60 off

Diamond Eye
Diamond Eye K4236A-RP - Cat Back Exhaust System For 04.5-07.5 Dodge RAM 2500/3500 Cummins 4 Inch Split Side No Muffler Aluminized

Sale price $457⁹⁹ Regular price $879⁵⁹

Low stock (2 units)

Previous
Page 3 / 16
1
2
3
4
5
…
16
Next

Your cart

Your cart is empty

Subtotal:$0⁰⁰ USD

Loading...

Facebook
YouTube
Instagram

NEWSLETTER AND OFFERS

Sign up for exclusive offers, exclusive sales, events and more.

Email

SUPPORT

Account
Contact Us
Terms & Conditions
Privacy Policy
Your privacy choices
Brands We Carry

© 2025 Complete Street Performance.

Compare /3

Loading...

Loading...