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Rtek7 for 89-91 (S5) Non Turbo (N35x ECUs only) | Stage | 1.0 |
Single replacement ECU chip |  |
No wires to splice, no "black box" clutter |  |
MOP Removal [details] |  |
Changes to Fuel or Timing Compensation for larger injectors |  |
Price Read more information on installation choices here. | Self Install: | $120 |
DTI Install: | $140 |
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Order: or Find a Dealer
Rtek7 S5NA ECU Upgrade
Stage 1.0 $120 - $140
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Customer review:
Rtek7 ECU Upgrade:
I really like the product a lot, especially those who are looking for a better and more cost effective way to get rid ...
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-Jesse Watts, Nashville, TN
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