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QuadStar Tuning Products

Quadstar Tuning is a small business focused on providing the highest quality parts for the 6.5L Turbo Diesel platform. They specialize in tuning but also offer a wide selection of other products.

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1996+ GM 6.5 Detroit Quadstar OBD2 Single Tune
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Brand: QuadStar Tuning Part Number: QS96ST
1996+ GM 6.5 Detroit Quadstar OBD2 Single Tune
**Purchase note** To purchase this product purchase from QuadStar Tuning directly here Do have option to send in ECM first to be built!   For all 1996 and newer 6.5L Turbo diesel vehicles including trucks, vans, cab-chassis, boats, and anything else with a DS4 pump!  This PCM is a s..
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6.5 Detroit High Flow Upper Intake Plenum
Brand: QuadStar Tuning Part Number: QSHFUIP
6.5 Detroit High Flow Upper Intake Plenum
**Purchase note** To purchase this product purchase from QuadStar Tuning directly here   Our exclusive laser cut, hand-fabricated high-flow plenums for 6.2L and 6.5L diesels.  These come in multiple versions to support many different configurations.  Perfect for mechanical or el..
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94-95 GM 6.5 Detroit Quadstar OBD1 Multi-Position Tuner
Brand: QuadStar Tuning Part Number: QS9495MPT
94-95 GM 6.5 Detroit Quadstar OBD1 Multi-Position Tuner
**Purchase note** To purchase this product purchase from QuadStar Tuning directly here   A Quadstar Tuning exclusive!  Customized to fit the 1994 and 1995 6.5L diesels with a removable chip in the PCM.   This is a plug & play unit that holds up to 8 tunes for switching..
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94-95 GM 6.5 Detroit Quadstar OBD1 Single Tune
Brand: QuadStar Tuning Part Number: QS9495ST
94-95 GM 6.5 Detroit Quadstar OBD1 Single Tune
**Purchase note** To purchase this product purchase from QuadStar Tuning directly here Single replacement PROM chip for 1994 and 1995 6.5L Diesel vehicles.   After completing an order, we will provide a comprehensive online form for you to fill out with all vehicle details and your tun..
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Order QuadStar Tuning Products Online at Pure Diesel Power

Pure Diesel Power is an international provider of QuadStar Tuning and other performance products for diesel engines and powertrains. Unlock your engine's true performance with QuadStar Tuning products today.

How Long Does Shipping Take?

Orders for QuadStar Tuning products are typically processed within one or two business days. Some products are eligible for two-day shipping to the continental United States. Parts shipped using normal methods usually arrive within five to seven business days.

Do You Offer Free Shipping?

Free shipping is available on orders of $150 or more to the lower 48 states. Qualifying orders are based on the purchase subtotal. Taxes and expedited shipping are not included. Other shipping charges, such as oversize fees, freight charges and special handling, are not included.