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Description
Those of you with heavily moddedN/A setups or heavily modded F/I setups should definitely look into stepping up to the larger throttle body. In order to make horsepower without the engine working so hard to make it, you need to increase the intake and exhaust flow through the engine. When doing so with headers, catback exhaust, CAI, SRI, Stage IV intake or any of our roots style supercharger kits, leaving the stock throttle body in the mix just creates a bottle neck in the system. On our roots style supercharger kits, we have found that the stock throttle body will cause a vacuum draw between the rotor packs and the throttle body making the supercharger work much harder resulting in a power loss. Increase in throttle body size lowers the vacuum draw and makes much more power at the same boost level. Each one of these throttle bodies have been bored 58mm through the center and a new throttle plate is cut to accommodate the bigger bore. The throttle body comes without sensors as you reuse your TPS and IAC from your existing stock throttle body.
Price includes a $100.00 core charge which will be refunded to you when we receive your stock throttle body.
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; "58mm Big Bore Throttle Body")