400hp Grand Prix idle

Not all high horsepower 3800s have to be loud. This 340whp setup runs a stock Exhaust, stock manifolds, an engine that hasn't been cracked open, gets 28mpg on the expressway and even has luxuries like navigation and bluetooth. Whether you want loud and ostentatious or quiet and subdued we can get your 3800 set up.

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V6 Grand Prix 3800 Turbo
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584whp turbo pontiac grand prix idle
.574/.566" lift 224/224 duration custom cam, i had a cracked valve guide when i took this video. full 3" stainless Exhaust with magnflow muffler, also muffled by the turbo the car is also 5-speed manual swapped, air ride, and runs 285/35/18 tires up front

GTP, cammed, P&P blower and heads and headers
1998 GTP with XP cam, CAI, p&p blower and heads, headers, 3.0 pulley, ZZP fuel rails, 78mm TB, double roller, A/C, balance shaft, EGR, cat, res. delete, ZZP tune, and supporting mods.

Twincharged GTP Running 12psi
My Twincharged GTP Running 12 psi (About 400hp) on the new engine and tranny...... Not as strong as 17psi (500hp) but still feels good !!! This is without the bypass valve. It's less laggy this way...