Embrace Your Tameless

2001-2004 6.6L LB7 DURAMAX

At Tameless Performance, we know that quality components are key to maximizing your 2001-2004 LB7 Duramax engine's performance. That’s why we offer an extensive range of top-tier upgrades, including turbochargers, injectors, performance tuners, and exhaust systems. Sourced from leading manufacturers, our products are engineered to deliver unmatched power, efficiency, and durability.

cylinder heads, valve train, fasteners

engine parts & accessories

Suspension, axle shafts, & steering

drivetrain & chassis

Fuel pumps, injectors, & accessories

FUEL SYSTEM UPGRADES

CAI, Air Filters, Intake Manifolds

AIR INTAKE SYSTEMs & FILTERS

Turbos, clamps, & replacement parts

TURBOS & ACCESSORIES

Cooler Lines, Pans, Electronics

Transmissions & accessories

manifold, head studs, main studs

HEAD STUDS & FASTENERS

Lift Kits, Body Mounts, Shocks

Suspension & Steering

2001-2004 6.6L LB7 DURAMAX

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FASS XWS3002 Extreme Water Separator view 1
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FASS XWS3002 Extreme Water Separator
$29.45
Cold Air Intake For 01-04 Chevrolet Silverado GMC Sierra V8-6.6L LB7 Duramax Dry Extendable White S and B view 1
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Cold Air Intake For 01-04 Chevrolet Silverado GMC Sierra V8-6.6L LB7 Duramax Dry Extendable White S and B
$349.00
H&S Motorsports - 3" Straight Silicone Coupler (Black 5-Ply) at Tameless Performance
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3" Straight Silicone Coupler (Black 5-Ply)
$35.00
S and B 22 Gallon Wheel Well Water Tank (Drivers Side) S and B view 1
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S & B 10-3003 22 Gallon Wheel Well Water Tank (Drivers Side)
$299.00
Factory Oil Feed Line Fitting for Holset Turbochargers Fleece Performance view 1
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Factory Oil Feed Line Fitting for Holset Turbochargers Fleece Performance
$18.99

1 review
Stainless Steel Turbo Stud Kit for S-300/S-400 Fleece Performance view 1
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Stainless Steel Turbo Stud Kit for S-300/S-400 Fleece Performance
$49.95
'-8 to 3/4 Inch-16 Straight Male Black w/ O-Ring Fleece Performance view 1
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'-8 to 3/4 Inch-16 Straight Male Black w/ O-Ring Fleece Performance
$10.99
Silverado/Sierra Body Mount Kit 2001-05 Silverado/Sierra 1500/2500/3500 Gas/Diesel Extended/Crew Cab S and B view 1
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Silverado/Sierra Body Mount Kit 2001-05 Silverado/Sierra 1500/2500/3500 Gas/Diesel Extended/Crew Cab S and B
$499.00
Duramax PowerFlo 750 CP3 Fleece Performance view 1
5% off
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Duramax PowerFlo 750 CP3 Fleece Performance
$1,999.00 $2,098.00 Sale
Duramax Billet Coolant Block Off Plate 2001-2017 Fleece Performance view 1
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Duramax Billet Coolant Block Off Plate 2001-2017 Fleece Performance
$55.00
30% over LB7 Injector view 1
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30% over LB7 Injector
From $388.70
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SBC-SSDDMAX-CBY, Competition Dual Disc Clutch, 750 HP, 1300 TRQ
$2,038.02
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SBC-SDM0105OK, Stage 1 Organic Clutch Kit, 375 HP, 700 TRQ
$1,019.01
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SBC-SDM0105DFK, Stage 2 CB/Kevlar Clutch Kit, 425 HP, 800 TRQ
$1,132.23
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SBC-SDM0105CBK, Stage 2 CB Clutch Kit, 450 HP, 900 TRQ
$1,245.46
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SBC-SDDMAXY-ORG, Street Dual Disc Clutch, 550 HP, 1100 TRQ
$1,358.68
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SBC-HYDX-MAX High-performance hydraulic system upgrade
$198.14
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SBC-DDDCMAX-Y Stage 4 TRIPLE DISC
$3,396.70
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SBC-DDCMAX-Y Stage 5 Competition Dual Disc
$2,264.47
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SBC-04-154TZR; CLUTCH REP-SET; NO FLYWHEEL;
$687.26
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SBC-04-154TZK; FULL KEVLAR CLUTCH KIT WITH SOLID MASS FLYWHEEL
$1,019.01
Quick buy
SBC-04-154R; CLUTCH REP-SET; STOCK HP AND TRQ
$480.06
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SBC-04-154K; CLUTCH KIT WITH SOLID MASS FLYWHEEL
$809.54
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RIGID D-XL PRO SPOT PAIR BLACK
$551.00

Unleash LB7 Duramax with Performance Upgrades from Tameless Performance!

We offers a wide range of parts to boost your LB7 Duramax's power, torque, and horsepower, leaving competitors in the dust. Increase your 2001-2004 LB7 Duramax performance while potentially improving fuel efficiency with these upgrades: 

  • Air Intake & Filters: Upgraded air intake systems can improve airflow and increase your power output! Check out performance Intakes by S&B Filters
  • Fuel System: Performance upgrades like injectors and fuel pumps can optimize fuel delivery and contribute to increased power and efficiency. Fuel Lift Pumps by Fass Fuel, Performance Injectors and Pumps by S&S Diesel, and CP3 Injection Pumps from Fleece Performance.  
  • Exhaust System: Performance exhaust systems can improve exhaust flow and potentially unlock additional horsepower [Tameless Performance].
  • Engine & Components: This section might include performance parts like turbochargers, engine internals, and programmers to further enhance your engine's capabilities [Tameless Performance].
  • Drivetrain & Differentials: Upgraded clutches, torque converters, and differentials can handle the increased power and improve overall driving experience [Tameless Performance].
  • Transmission: Performance transmissions or upgraded components can optimize power transfer and improve handling of increased torque [Tameless Performance].

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