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I recently installed a complete Arrow exhaust system with a Power Commader V + O2 Optimizer and a K&N air filter. We downloaded 2 maps from the PC web site - neither seems to describe these exact mods. Both maps produce AFR curves that are too lean and consequently, there is popping when...

Have replaced the stock exhaust system on a '14 S10 ES with an Arrow system + K&N air filter and we are attempting to dyno the new setup to optimize. Can't seem to find the right wire for the tach coming off the ECU. Any help would be appreciated.

Hello All, A friend sent me the article at the link below about jacking the power for an OEM Super 10 from the standard 85Hp (at the wheel) to 103Hp by changing the exhaust system, remapping and fuel tuning with a Power Commander. That's quite a substantial increase, better than 20%...