The Cadillac CTS-V is a cross between a luxurious touring car and a race car. Inside, you have plush leather seating, premium audio and every creature comfort known to man. Outside, you get jaw-dropping acceleration and enough power to outlast a herd of horses. This clip gives us the chance to take an inside look at the hot rod modification process as it pertains to a technician’s car. These results are verified on the dyno.

Don’t get confused. The Cadillac CTS-V comes off the assembly line with a supercharged 6.2-liter V8 under the hood. This car has been modified with a bored and stroked LS3 5.3-liter that is sleeved and punched out to 423 cubic-inches. Other engine mods include a set of Trickflow cylinder heads and a high-performance turbo camshaft. The engine has been outfitted with a bottom mount twin turbo kit. It’s making decent power with a pair of economy turbochargers from the far east. This Caddy is set up for racing on the street.

Today, the bad Cad will be getting a carbon fiber intake manifold from TTR. While this is a lovely addition to any engine, it is pricey at approximately $5k. Let’s see if it’s worth the money.

The initial dyno pass establishes a baseline, or a “before” number. After the first dyno pass, the Cadillac is making 987whp and 912 lb.-ft. of torque (approximately 16 psi of boost) with the stock intake manifold.

After the manifolds are swapped, the final dyno pass reveals a gain of 77whp on the same amount of boost. That’s 1,064whp but only 879 lb.-ft. of torque with the new TTR intake manifold.

Worth the money? Oh, yeah.

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