FloStang
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- Thread starter
- #1
Hey all, I recently bought a 2017 GT premium that came with some unexpected goodies. Gt350 manifold, mishi intake tube, upr catch can, lowering springs, and a set of Vossen hf2 wheels. I also noticed it has a Roush axle back. I know the Roush is a 2.5 in axle back. Now I plan to order a Hellion Street Sleeper turbo kit and my question is should I keep the Roush and just pick up a 2.5 inch x pipe or should I go full 3 inch. How much hp am I leaving on the table if I stick with the 2.5. Now my goals for now are to be around 800hp with e85 with room to grow later. I'll prolly be ordering the kit and other goodies with the next big sale like 4th of July. Thanks in advance
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