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Top 5 Diesel Performance Upgrades for Towing & Daily Driving

Top 5 Diesel Performance Upgrades for Towing & Daily Driving Diesel trucks are known for their strength, reliability, and unmatched towing capabilities. Whether you're using your truck for daily ...

New Drop in feature coming soon for 12v Cummins Engines!

Keep your eyes on the new drop in engines coming to the site. Section is currently under construction, but guaranteed to make our drop in easier to understand and build your own drop in.

FAQ's

Q - What happens after I place my order? A- We process orders when we receive them, and orders placed before 2PM will usually ship same day. If an item is out of stock, we’ll have it drop-shi ...

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DIAMOND EYE BC400S430 EXHAUST CLAMP 4" 430 BRIGHT STAINLESS TORCA BAND CLAMP

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Now: $33.12

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DIAMOND EYE 454001 EXHAUST CLAMP 3.5 INCH ZINC COATED U-BOLT SADDLE CLAMP

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Now: $15.52

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DIAMOND EYE 405040 EXHAUST PIPE 5 INCH ALUMINIZED 40 INCH STRAIGHT BUMPED ON ONE END

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Now: $133.36

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DIAMOND EYE 529021 EXHAUST PIPE ELBOW 90 DEGREE L BEND 4 INCH STAINLESS PERFORMANCE EXHAUST ELBOW

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Now: $79.93

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DIAMOND EYE 220099 TURBO DOWNPIPE FOR 89–93 DODGE 5.9L CUMMINS DODGE RAM 2500/3500 2X4 ONLY PERFORMANCE SERIES

MSRP:

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Now: $238.19

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DIAMOND EYE BC300S409 EXHAUST CLAMP 3 INCH STAINLESS TORCA BAND CLAMP

MSRP:

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Now: $22.84

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DIAMOND EYE L40SA EXHAUST CLAMP 4 INCH STAINLESS TORCA LAP-JOINT CLAMP

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Now: $44.60

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DIAMOND EYE 529005 EXHAUST PIPE ELBOW 90 DEGREE L BEND 3 INCH ALUMINIZED PERFORMANCE EXHAUST ELBOW

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Now: $55.07

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DIAMOND EYE 150100 UNIVERSAL STACK KIT 5 INCH ALUMINIZED PERFORMANCE SERIES DIESEL EXHAUST KIT

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Now: $902.74

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DIAMOND EYE 4418TD EXHAUST TIP TURN DOWN 4" X 4" X 18" POLISHED STAINLESS

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Now: $189.31

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DIAMOND EYE 221005 EXHAUST PIPE 4 INCH SECOND SECTION SINGLE EXIT SYSTEM FOR 94–2007.5 24V DODGE CUMMINS EXHAUST TAIL PIPE

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Now: $101.29

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DIAMOND EYE K4257S DPF BACK EXHAUST FOR 2014 RAM 2500 6.7L CUMMINS 4" DPF-BACK SINGLE STAINLESS

MSRP:

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Now: $739.82

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DIAMOND EYE 454002 EXHAUST CLAMP 3 INCH ZINC COATED U-BOLT SADDLE CLAMP

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Now: $14.31

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DIAMOND EYE 261001 TURBO DOWNPIPE 4 INCH INLET/OUTLET 94-02 DODGE RAM 2500/3500 STAINLESS PERFORMANCE SERIES

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Now: $254.22

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DIAMOND EYE 444002 EXHAUST CLAMP 3 INCH STANDARD STEEL U-BOLT SADDLE CLAMP

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Now: $10.15

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DIAMOND EYE 4516VRA EXHAUST TIP VENTED ROLLED ANGLE 4 INCH ID X 5 INCH OD X 16 INCH LONG (POLISHED STAINLESS)

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Now: $186.29

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DIAMOND EYE 400405 EXHAUST RESONATOR 4 INCH ALUMINIZED PERFORMANCE QUIET TONE RESONATOR WITH ENDS TOP

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Now: $179.17

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DIAMOND EYE 361041 EXHAUST PIPE 5 INCH 07.5–11 DODGE RAM 2500/3500 SECOND SECTION PASS STAINLESS PERFORMANCE SERIES EXHAUST TAIL PIPE

MSRP:

Was:

Now: $340.71

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DIAMOND EYE BC300A EXHAUST CLAMP 3 INCH ALUMINIZED TORCA BAND CLAMP

MSRP:

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Now: $19.27

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DIAMOND EYE 4512BRA-DE EXHAUST TIP 4 INCH INLET X 5 INCH OUTLET X 12 INCH BLACK BOLT ON ROLLED ANGLE EXHAUST TIP TAIL PIPE TIPS

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Now: $126.58

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DIAMOND EYE K5256S DPF BACK EXHAUST FOR 6.7L CUMMINS 5 INCH SINGLE PASSENGER SIDE STAINLESS DIESEL

MSRP:

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Now: $713.02

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DIAMOND EYE 524510 EXHAUST PIPE ELBOW 45 DEGREE 3.5 INCH ALUMINIZED PERFORMANCE EXHAUST ELBOW

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Now: $65.75

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DIAMOND EYE 261004 EXHAUST PIPE 4 INCH FIRST SECTION PASS 94-EARLY 07 DODGE RAM 2500/3500 PERFORMANCE SERIES EXHAUST TAIL PIPE

MSRP:

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Now: $154.20

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DIAMOND EYE 4512BRA-DEBK EXHAUST PIPE TIP 4 INCH INLET X 5 INCH OUTLET X 12 IN. ROLLED ANGLE BLACK POWDERCOAT EXHAUST TIP TAIL PIPE TIPS

MSRP:

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Now: $162.17

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DIAMOND EYE 524526 EXHAUST PIPE ELBOW 45 DEGREE 3 INCH STAINLESS PERFORMANCE EXHAUST ELBOW

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Now: $50.42

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DIAMOND EYE BC400S409 EXHAUST CLAMP 4 INCH STAINLESS TORCA BAND CLAMP

MSRP:

Was:

Now: $24.71

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DIAMOND EYE 444000 EXHAUST CLAMP 4 INCH STANDARD STEEL U-BOLT SADDLE CLAMP

MSRP:

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Now: $12.03

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DIAMOND EYE 529025 EXHAUST PIPE ELBOW 90 DEGREE L BEND 5 INCH ALUMINIZED PERFORMANCE EXHAUST ELBOW

MSRP:

Was:

Now: $100.22

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DIAMOND EYE 454003 EXHAUST CLAMP 5 INCH ZINC COATED U-BOLT SADDLE CLAMP

MSRP:

Was:

Now: $22.10

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DIAMOND EYE 5818BRA-DEBK EXHAUST TIP ROLLED ANGLE CUT 5 INCH ID X 8 INCH OD X 18 INCH LONG BLACK POWDER COAT

MSRP:

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Now: $391.44

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DIAMOND EYE BC400S430 EXHAUST CLAMP 4" 430 BRIGHT STAINLESS TORCA BAND CLAMP
Diamond Eye BC400S430 – 4" Torca-Style Band Clamp (430 Bright Stainless) The DIAMOND EYE BC400S430 is a 4-inch Torca-style preformed band clamp built from bright-finish 430 stainless steel...

MSRP:

Was:

Now: $33.12
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DIAMOND EYE 454001 EXHAUST CLAMP 3.5 INCH ZINC COATED U-BOLT SADDLE CLAMP
DIAMOND EYE 454001 is a 3.5" zinc-coated U-bolt saddle clamp built to lock your exhaust joints tight and resist corrosion. Its heavy-duty U-bolt and contoured saddle deliver even clamping force for...

MSRP:

Was:

Now: $15.52
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DIAMOND EYE 405040 EXHAUST PIPE 5 INCH ALUMINIZED 40 INCH STRAIGHT BUMPED ON ONE END
DIAMOND EYE 405040 is a universal 5.0" aluminized straight section (40" overall) with a bumped/expanded end for easy slip-fit installation. Use it to extend, repair, or fabricate 5" diesel systems...

MSRP:

Was:

Now: $133.36
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DIAMOND EYE 529021 EXHAUST PIPE ELBOW 90 DEGREE L BEND 4 INCH STAINLESS PERFORMANCE EXHAUST ELBOW
DIAMOND EYE 529021 is a 4.0" T409 stainless steel, CNC mandrel-bent 90° L-bend elbow for custom exhaust fabrication. It’s universal for 4" O.D. systems and built for long service life in...

MSRP:

Was:

Now: $79.93
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DIAMOND EYE 220099 TURBO DOWNPIPE FOR 89–93 DODGE 5.9L CUMMINS DODGE RAM 2500/3500 2X4 ONLY PERFORMANCE SERIES
DIAMOND EYE 220099 is a 4.0" aluminized-steel turbo downpipe engineered for the first-gen 1989–1993 Dodge Ram 2500/3500 5.9L Cummins 2WD (2x4). Mandrel-bent tubing reduces backpressure and...

MSRP:

Was:

Now: $238.19
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DIAMOND EYE BC300S409 EXHAUST CLAMP 3 INCH STAINLESS TORCA BAND CLAMP
Diamond Eye BC300S409 – 3" Stainless Torca Band Exhaust Clamp Lock down leak-free, serviceable joints with the Diamond Eye BC300S409. This 3.00" Torca-style preformed band clamp uses a...

MSRP:

Was:

Now: $22.84
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DIAMOND EYE L40SA EXHAUST CLAMP 4 INCH STAINLESS TORCA LAP-JOINT CLAMP
DIAMOND EYE L40SA is a universal 4.0" stainless Torca lap-joint exhaust clamp engineered to create a strong, gas-tight seal at a lap (male/female) connection without crushing the tubing. Built for...

MSRP:

Was:

Now: $44.60
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DIAMOND EYE 529005 EXHAUST PIPE ELBOW 90 DEGREE L BEND 3 INCH ALUMINIZED PERFORMANCE EXHAUST ELBOW
Build clean, high-flow exhaust sections with the DIAMOND EYE 529005 3" 90° L-bend. This universal, mandrel-bent aluminized steel elbow is perfect for tight turns in custom downpipes, mid-pipes,...

MSRP:

Was:

Now: $55.07
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DIAMOND EYE 150100 UNIVERSAL STACK KIT 5 INCH ALUMINIZED PERFORMANCE SERIES DIESEL EXHAUST KIT
Overview The DIAMOND EYE 150100 Universal Stack Kit is a 5.0" aluminized steel performance stack system designed for custom diesel builds and conversions. Manufactured in the USA with CNC mandrel...

MSRP:

Was:

Now: $902.74
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DIAMOND EYE 4418TD EXHAUST TIP TURN DOWN 4" X 4" X 18" POLISHED STAINLESS
DIAMOND EYE 4418TD is a polished 304 stainless turn-down exhaust tip sized 4" inlet x 4" outlet x 18" long. It slips over any 4" O.D. tailpipe for a clean, downward soot-deflecting finish and long...

MSRP:

Was:

Now: $189.31
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DIAMOND EYE 221005 EXHAUST PIPE 4 INCH SECOND SECTION SINGLE EXIT SYSTEM FOR 94–2007.5 24V DODGE CUMMINS EXHAUST TAIL PIPE
DIAMOND EYE 221005 is the 4.0" second-section tailpipe for single side exit Diamond Eye systems on 1994–early 2007 Dodge Ram 2500/3500 5.9L Cummins. It mates to first-section tailpipe 221004...

MSRP:

Was:

Now: $101.29
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DIAMOND EYE K4257S DPF BACK EXHAUST FOR 2014 RAM 2500 6.7L CUMMINS 4" DPF-BACK SINGLE STAINLESS
DIAMOND EYE K4257S is a 4.0" 409 stainless DPF-back, single-side-exit exhaust engineered to reduce post-DPF backpressure and sharpen throttle response while retaining factory emissions equipment...

MSRP:

Was:

Now: $739.82
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DIAMOND EYE 454002 EXHAUST CLAMP 3 INCH ZINC COATED U-BOLT SADDLE CLAMP
DIAMOND EYE 454002 is a 3.00" zinc-coated U-bolt saddle clamp engineered to lock exhaust joints tight and resist corrosion. It’s a tough, no-nonsense clamp for slip-fit pipe and muffler...

MSRP:

Was:

Now: $14.31
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DIAMOND EYE 261001 TURBO DOWNPIPE 4 INCH INLET/OUTLET 94-02 DODGE RAM 2500/3500 STAINLESS PERFORMANCE SERIES
DIAMOND EYE 261001 is a 4.0" T409 stainless turbo downpipe engineered to reduce backpressure and improve spool on 5.9L Cummins builds. It mates the stock turbo outlet to your exhaust for a durable,...

MSRP:

Was:

Now: $254.22
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DIAMOND EYE 444002 EXHAUST CLAMP 3 INCH STANDARD STEEL U-BOLT SADDLE CLAMP
DIAMOND EYE 444002 is a 3.0" standard steel U-bolt saddle clamp designed to lock slip-fit exhaust joints tight and resist vibration, heat cycles, and joint creep—perfect for universal 3"...

MSRP:

Was:

Now: $10.15
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DIAMOND EYE 4516VRA EXHAUST TIP VENTED ROLLED ANGLE 4 INCH ID X 5 INCH OD X 16 INCH LONG (POLISHED STAINLESS)
DIAMOND EYE 4516VRA is a polished T304 stainless, vented, rolled-angle exhaust tip designed for a clean, aggressive finish and better heat management at the tailpipe. The vent slots help bleed heat...

MSRP:

Was:

Now: $186.29
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DIAMOND EYE 400405 EXHAUST RESONATOR 4 INCH ALUMINIZED PERFORMANCE QUIET TONE RESONATOR WITH ENDS TOP
DIAMOND EYE 400405 is a universal 4.0" aluminized steel quiet-tone resonator designed to knock down drone and harshness in performance diesel and gas exhaust systems while preserving flow. Includes...

MSRP:

Was:

Now: $179.17
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DIAMOND EYE 361041 EXHAUST PIPE 5 INCH 07.5–11 DODGE RAM 2500/3500 SECOND SECTION PASS STAINLESS PERFORMANCE SERIES EXHAUST TAIL PIPE
DIAMOND EYE 361041 is a 5.0" T409 stainless second-section passenger-side tail pipe for 2007.5–2011 Ram 2500/3500 6.7L Cummins DPF/filter-back systems. Mandrel-bent for smooth flow and built...

MSRP:

Was:

Now: $340.71
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DIAMOND EYE BC300A EXHAUST CLAMP 3 INCH ALUMINIZED TORCA BAND CLAMP
Diamond Eye BC300A is a 3.00" aluminized Torca band clamp engineered for a clean, leak-resistant seal without crushing your pipes. The AccuSeal-style reaction block applies even clamping force for...

MSRP:

Was:

Now: $19.27
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DIAMOND EYE 4512BRA-DE EXHAUST TIP 4 INCH INLET X 5 INCH OUTLET X 12 INCH BLACK BOLT ON ROLLED ANGLE EXHAUST TIP TAIL PIPE TIPS
DIAMOND EYE 4512BRA-DE is a 4" inlet x 5" outlet x 12" long bolt-on rolled angle exhaust tip with an embossed Diamond Eye logo. Built for a clean, finished look on 4" systems and quick clamp-on...

MSRP:

Was:

Now: $126.58
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DIAMOND EYE K5256S DPF BACK EXHAUST FOR 6.7L CUMMINS 5 INCH SINGLE PASSENGER SIDE STAINLESS DIESEL
DIAMOND EYE K5256S is a 5.0" T409 stainless DPF-back exhaust built for 2013–2018 Ram Cummins applications that use the leaf-spring rear suspension (primarily 3500). This single,...

MSRP:

Was:

Now: $713.02
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DIAMOND EYE 524510 EXHAUST PIPE ELBOW 45 DEGREE 3.5 INCH ALUMINIZED PERFORMANCE EXHAUST ELBOW
DIAMOND EYE 524510 is a universal, mandrel-bent 45° exhaust elbow in 3.5" aluminized steel. It’s ideal for custom exhaust builds, turbo swaps, and repairs where you need a smooth,...

MSRP:

Was:

Now: $65.75
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DIAMOND EYE 261004 EXHAUST PIPE 4 INCH FIRST SECTION PASS 94-EARLY 07 DODGE RAM 2500/3500 PERFORMANCE SERIES EXHAUST TAIL PIPE
DIAMOND EYE 261004 is the 4.0" first section, passenger-side tail pipe for 1994–early 2007 Dodge Ram 2500/3500 5.9L Cummins. It’s part of Diamond Eye’s Performance Series and...

MSRP:

Was:

Now: $154.20
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DIAMOND EYE 4512BRA-DEBK EXHAUST PIPE TIP 4 INCH INLET X 5 INCH OUTLET X 12 IN. ROLLED ANGLE BLACK POWDERCOAT EXHAUST TIP TAIL PIPE TIPS
DIAMOND EYE 4512BRA-DEBK is a logo-embossed, black powder-coated stainless exhaust tip designed for a clean, finished look and a durable bolt-on install. The 4.0" inlet slides over 4.0" OD...

MSRP:

Was:

Now: $162.17
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DIAMOND EYE 524526 EXHAUST PIPE ELBOW 45 DEGREE 3 INCH STAINLESS PERFORMANCE EXHAUST ELBOW
Build cleaner, tighter exhaust runs with the DIAMOND EYE 524526 3" 45° stainless elbow. CNC mandrel-bent T409 stainless keeps flow smooth and backpressure low, while the 45-degree geometry helps...

MSRP:

Was:

Now: $50.42
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DIAMOND EYE BC400S409 EXHAUST CLAMP 4 INCH STAINLESS TORCA BAND CLAMP
Diamond Eye BC400S409 is a universal 4.0-inch Torca band clamp built from corrosion-resistant 409 stainless steel for a clean, even seal on butt-joint connections—no welding, no crushed...

MSRP:

Was:

Now: $24.71
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DIAMOND EYE 444000 EXHAUST CLAMP 4 INCH STANDARD STEEL U-BOLT SADDLE CLAMP
DIAMOND EYE 444000 is a 4.0" standard steel U-bolt saddle clamp built for reliable, budget-friendly sealing of slip-fit exhaust joints. Its heavy-duty 3/8" U-bolt and stamped saddle compress the...

MSRP:

Was:

Now: $12.03
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DIAMOND EYE 529025 EXHAUST PIPE ELBOW 90 DEGREE L BEND 5 INCH ALUMINIZED PERFORMANCE EXHAUST ELBOW
DIAMOND EYE 529025 is a universal 5.0" aluminized-steel 90° L-bend elbow designed for custom diesel exhaust fabrication. Mandrel bending maintains smooth flow, while the aluminized finish...

MSRP:

Was:

Now: $100.22
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DIAMOND EYE 454003 EXHAUST CLAMP 5 INCH ZINC COATED U-BOLT SADDLE CLAMP
DIAMOND EYE 454003 is a heavy-duty 5.0" zinc-coated U-bolt saddle clamp that locks down slip joints and muffler connections on large-diameter diesel exhaust systems. The zinc finish fights...

MSRP:

Was:

Now: $22.10
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DIAMOND EYE 5818BRA-DEBK EXHAUST TIP ROLLED ANGLE CUT 5 INCH ID X 8 INCH OD X 18 INCH LONG BLACK POWDER COAT
DIAMOND EYE 5818BRA-DEBK is a bold, clamp-on exhaust tip featuring a 5.0" inlet, 8.0" outlet, and 18" overall length. It’s built from 304 stainless and finished in a durable black powder coat...

MSRP:

Was:

Now: $391.44
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