Hooker header exhaust system

[Mrzero]

They just released a catback exhaust for our cars. The YT video states 3 inch piping and max gains are 21hp and 33 LB FT of torque.

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[nastang87xx]

Sounds pretty decent but kinda just like every other catback that's out there for the GT350. They all sound relatively the same. Borla and Corsa sound very similar. American Racing and Magnaflow sound similar. Sounds pretty close to the Borla and Corsa offerings.

Those dyno numbers now though...lol. Yeah, sure. addle: When will these manufacturers learn we're not stupid?

 

[Zitrosounds]

Sounds pretty decent but kinda just like every other catback that's out there for the GT350. They all sound relatively the same. Borla and Corsa sound very similar. American Racing and Magnaflow sound similar. Sounds pretty close to the Borla and Corsa offerings.

Those dyno numbers now though...lol. Yeah, sure. addle: When will these manufacturers learn we're not stupid?

I didn't read the claim but I know after installing the ATAK on my track pack, she ran 479whp.

 

[Bender]

They probably ran the car initially very warm. Then added 1/2 tank of 100 octane fuel, added the exhaust, and time to cool down. The Subsequent dyno on a cool setup plus changed factors above to get #s.

It may add a few HP, especially deleting resonators, but these cars (and newer cars in general) don't use severly undersized pressure bent exhausts anymore that really did choke engines. The real HP gains are probably enough to be ruled in dyno and hemispherical condition variances

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