I have run...... INVIDIA TP's, GTM resonated TP's , CNT resonated TP's, FI HFC's.......
TBH apart from the quieter HFC at around 2800-3200 rpm, they all felt the same and all fit the same.
Have no worries about spending less cash, you can pick up used TP's as Westwood and they will fit ok and perform ok to.
Just FYI, the INVIDIA's came with the best 'install' package, not that the others did not give you everything you needed but I prefer the 'studs' in the INVIDIA package to the usual nuts and bolts. I did not throw an SES with any of them, but I do reflash my vehicle often so the ECU is getting reset every week or so due to hardware and tune testing.
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Boosted V8 hunter
2850 lbs and 375WHP
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