It's the test pipes or high flow cats makes you lose torque down low. That's because the low end torque needs some back pressure while tps and hfcs relief the back pressure for peak gains(which is at the higher rpm range).
The solution for this is to get your car tuned. A tune not necessary gain much peak power but will correct the A/F ratio and bring back the power down low thus improve your drivability a couple notch up.
__________________
09 PW 370z Nismo | K&N Drop Ins | HKS Hi Power | Berk HFCs | Work Meister S1 3P | Project Kics R40 Neo Chrome Lug Nuts | KW V1 | SPC rear camber arms/toe bolts | Southbend Stage 3 daily clutch | Southband 19Ib Steel Flywheel | ZSpeed CSC
|