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3.5
Product ID: 3.5InchAluminumMafAirPipe

Details 

This is a GN1Performance "3.5" MAF ALUMINUM AIR FLOW PIPE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a 3.5" MAF pipe for your Buick Grand National, perfect for those who are running a 3.5" Mass Air Flow sensor. It comes complete with hoses and clamps. 

*Air filter is not included

*With this item you will have to adapt your air filter to the front side of your 3.5" MAF Sensor

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Price: $105.00

3 Inch K&N Air Filter
Product ID: 3InchAirFilter

Details 

This is a  "K&N 3" AIR FILTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6
Price: $65.00

3 Inch Aluminum Maf Air Flow Pipe
Product ID: 3InchAluminumMafAirPipe

Details 

This is a GN1Performance "3" ALUMINUM MAF AIR FLOW PIPE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item features a beautiful high polished finish. It comes complete with hoses and clamps.

*Air filter is not included, but is available

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Price: $85.00

3 Inch Cold Air Intake Kit with Filter
Product ID: 3InchColdAirKit

Details 

This is a GN1Performance "3" COLD AIR INTAKE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The kit includes a custom fabricated 3 inch aluminum pipe, K&N air filter, and our custom mass air flow pipe. Also included are the hoses and clamps (please specify which mas airflow sensor you are running).
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Price: $289.00

4 Inch K&N Air Filter
Product ID: 4InchAirFilter

Details 

This is a  "K&N 4" AIR FILTER" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6
Price: $65.00

4 Inch Aluminum Maf Air Flow Pipe
Product ID: 4InchAluminumMafAirPipe

Details 

This is a GN1Performance " 4" ALUMINUM MAF AIR FLOW PIPE" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This item features a beautiful high polished finish. It comes complete with hoses and clamps.

*Air filter is not included, but is available

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Price: $105.00

4 Inch Cold Air Intake System
Product ID: 4InchColdAirIntake

Details 

This is a GN1Performance "HUGE 4" COLD AIR INTAKE SYSTEM WITH MAF SENSOR" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The kit includes a custom fabricated huge 4 inch aluminum pipe, 4" K&N air filter, and the ALL the hoses and clamps to work with your MAF sensor. As shown in the pictures you must modify your thottle body intake pipe and cut it in the center and mount your MAF sensor there. Please specify what size MAF you are running when purchasing so we can supply you witht he correct hoses.
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Price: $269.00

4 Inch Cold Air Intake System Without MAF
Product ID: 4InchColdAirIntakeNoMaf

Details 

This is a GN1Performance "HUGE 4" COLD AIR INTAKE SYSTEM" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The kit includes a custom fabricated huge 4 inch aluminum pipe, 4" K&N air filter, and the hose and clamps. This is item is for buick owners who are running a stand alone fuel management system (fast, BIG stuff, etc)
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Price: $225.00

4 Inch Cold Air Intake System with 4 Inch MAF pipe
Product ID: 4InchColdAirIntakewithMAFPIPE

Details 

This is a GN1Performance "4" COLD AIR INTAKE SYSTEM DESIGNED TO ACCEPT A 3.5 MAF SENSOR" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The kit includes a custom fabricated huge 4 inch aluminum pipe, 4" K&N air filter, and the ALL the hoses and clamps to work with your 3.5" LS1 MAF sensor. The kit includes a 4" MAF pipe, a 4" straight hose, (2) 4"-3.5" reducer hoses to adapt your LS1 sensor, a 4" connector pipe, all the stainless heavy duty t-clamps necessary, and a 4" K&N Air Filter. 
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Price: $299.00

MAF Translator With LS1 Sensor
Product ID: MafandLs1Sensor

Details 

This is a "MAF TRANSLATOR BOX AND A LS1 MASS AIR FLOW SENSOR for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This kit helps you get rid of your stock Mass air flow sensor and increase  your air flow while being able to adjust it at the same time. The translator allows the factory computer to work with the new sensor along with giving you some more tuning capabilities such as Air fuel ratios.
Price: $489.00

MAF Sensor 3.5
Product ID: MAFsensor

Details 

This is a "MAF Sensor for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a 3.5 Maf Air folow sensor to allow the most airflow possible.
 
 Please note, this MAF sensor requires a translator to function properly
Price: $239.00

MAF Translator only
Product ID: MAFtranslator

Details 

This is a "MAF TRANSLATOR BOX for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. The Buick translator will allow the user to upgrade to the much better late model GM MAF sensor and replace the now discontinued factory unit. More flow better spool up and complete control over the fuel curve will be a nice upgrade from stock Current version 6.21
Price: $245.00

MAF Tuning Device Axis Combo with Chip
Product ID: MAFTuningDeviceAxisCombo

Details 

This is a special package including the AXiS device and an AXiS chip (currently only for 60lb and 80lb injectors).
For the 86-87 turbo Buicks, and 89 TTA's.
The AXiS Interface device allows the replacement of the stock MAF sensor (mass airflow) with newer, more reliable, and higher flowing MAF sensors (cannot be used with a stock MAF). This is one step up from a basic Translator. It also adds the capability to tune fuel and spark advance when used with a compatible chip in the ECM. It can be used with any ECM chip in order to use a new MAF sensor. To use the extra WOT fuel and timing adjustments, a special ECM chip is required, such as the AXiS chip, or an Extender chip (made for the AXiS).

The included AXiS chip in this combo is a great, cost effective chip that takes advantage of the features in the AXiS Interface. The chip has no internal parameters to adjust, just plug it in and go! All adjustments are done inside the AXiS box and are permanent, so they can't be lost if the battery is disconnected. The base spark advance at WOT is about 17 degrees, and can be tweaked up or down using the dials in the box. 

Link to instructions for more info: www.turbotweak.com/axis_interface.pdf

The MAF connections are plug and play, and the spark control is a one wire connection.
Injector Size for Chip Configuration: 60
80
Price: $220.00




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