RV Performance


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AT5050XL - Aero Exhaust TurbineXL 5" Resonated Muffler

Part # AT5050XL Description: The Aero Turbine 5050XL performance muffler has a built-in reson..

$276.75 $205.99

SG2 ScanGaugeII OBD2 Vehicle Monitor

Part # SG2 ScanGaugeII OBD2 Vehicle Monitor Description: ScanGaugeII can help you monitor your..

$242.99 $179.99

SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires Sale -5%

SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires

Part# SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires Descripti..

$229.43 $169.95

SPW8100 - UltraPower 8.1L Magnum Spark Plug Wires Sale -5%

SPW8100 - UltraPower 8.1L Magnum Spark Plug Wires

Part# SPW8100 - UltraPower 8.1L Magnum Workhorse Spark Plug Wires Description: UltraPower..

$202.49 $149.99

SPWEX8100 - UltraPower 8.1L Extreme Magnum Spark Plug Wires Sale -5%

SPWEX8100 - UltraPower 8.1L Extreme Magnum Spark Plug Wires

Part# SPWEX8100 UltraPower 8.1L Extreme Magnum Workhorse Spark Plug WiresDescription:These are ..

$371.25 $275.00

STOCK-SPS - GM / Workhorse Stock Service Programming Service

Part # STOCK-SPS This is a programming SERVICE. You must send us your PCM or TCM for programming ..

$135.00 $100.00

UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning Sale -5%

UltraPower GM / Workhorse 1998-2000 7.4L Vortec (454) Custom Tuning

If you will be sending us your ECM for reprogram you will need to select "Remove Core Charge" We no ..

$668.25 $495.00

UltraPower GM / Workhorse 8.1L Custom Tuning (ECM & TCM) Sale -5%

UltraPower GM / Workhorse 8.1L Custom Tuning (ECM & TCM)

We are now offering 5-speed Allison Transmission tuning for 2001-2005 model years. The main change y..

$695.00

UP95G - Heavy Duty Lift Pump for Cummins ISB / ISC / ISL CAPS Fuel System Out of Stock

UP95G - Heavy Duty Lift Pump for Cummins ISB / ISC / ISL CAPS Fuel System

Part# UP95G - Heavy Duty Lift Pump for Cummins ISC & ISL CAPS Fuel System***Our price inclu..

$808.65 $629.00

UPFORD  -  Ford V10 Ultra RV Tune Sale -5%

UPFORD - Ford V10 Ultra RV Tune

Applications: 1997-2020 Ford 6.8L V10 Ford F53 Class A RV Ford E-Series SuperDuty: E25..

$599.00 $529.00

V10TUNE  -  UltraPower V10 Custom Tune (E-mail Tune Only) Sale -5%

V10TUNE - UltraPower V10 Custom Tune (E-mail Tune Only)

Part# V10TUNE  -  UltraPower V10 Custom Tune Important: This is for an e-mail tune on..

$250.00 $200.00