Be careful with the 2" TSP headers, i believe they state on their website that the 2" are real close to the steering shaft. In the end, glad you have a direction forward, good luck with your build. i think most of us have dyno info in our sigs.
Straight from their website:
*Please note that the 2" primary headers will have limited clearance around the steering shaft and the rest of the engine bay. Some customers may have to shift the engine over or dimple the headers to gain proper clearance because it is so tight. If you are concerned with this issue, we recommend purchasing our 1-7/8" long tube headers that provide better clearance.
*Additional modifications needed to fit convertibles.
Quote:
Originally Posted by Sweet15
Thanks guys, I really appreciate the input and exactly why I asked. Glad to see similar builds, would be curious to see dyno numbers for all for comparison. Thanks for letting me know about the front cat deletes as I was leaning towards that, but not now. I will probably end up doing the TSP 2" with high flows into the NPP. Not going to track it, just some spirited driving every now and then.
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2017 1SS M6 Hyper Blue Metallic NPP, MMR 228 Z/28 replica wheels, Front: 20 x 9, Rear 20 x 11
Stock: 416hp/427tq, 12.21 @ 116.80
Modified 02/2019: Whipple SC w/ 3.500 pulley, LT4 fueling, NW 103 TB, Roto-Fab Big Gulp, Kooks 2" jet coated, full Borla ATAK exhaust, DSS axles, Gforce driveshaft.
Tuned by EFX Tuning 688hp/632tq
Best 1/4 to date: 10.705 @ 131.92