K&N and Am. Thunder combo = about how much more horsepower and torque?

Ganton · Jan 24, 2009

Okay, Guys, I'm putting a K7N drop in filter into my V6 today and I've already got the Flowmaster Am. Thunder axle back exhaust on 'er. Do you guys think that the combo of more free-flowing intake and outgo will give me about, maybe, 10 extra h.p. (maybe 2 h.p. for the K&N and maybe 8 for the Flowmaster for an engine total of 220 h.p. over the stock 210?) What do ya think? or ?

NastyStang113 · Jan 24, 2009

The K&N filter won't give you any noticeable power gain. The muffler might give you 2-3 rwhp but Flowmaster isn't known to flow that well since it's a chambered muffler vs a "straight thru" style like Magnaflows, etc. If you want to see a gain in performance and don't want to spend a ton of money, I'd suggest you do this ... It'll make it like a whole new car.

VMP Tuning - Buy Ford SCT & GM Custom Handheld Flash Tuners Performance Economy Towing: 05-08 Mustang V6 Custom SCT X-Cal2 or X3 Flasher and VMP Intake

Riggs · Jan 25, 2009

An intake from VMP and a tune will definitely get you to 220hp. My mods as far as performance are the VMP intake(cone Filter), a performance tune, american thunder muffler (I plan to switch to dual GT mufflers), and an aluminum driveshaft.

Ganton · Feb 3, 2009

Okay, here's a link to a flowmaster test for this particular muffler that you can read for yourselves:
05-07 Mustang Flowmaster V6 Exhaust | FordMuscle Magazine

The Fang · Feb 8, 2009

Magnaflows are rated at 17 hp for the v6 so if your really wanting mo power. then get a tuner.
They rate it 210 but stock is around 187 I think, then start adding.

K&N and Am. Thunder combo = about how much more horsepower and torque?

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K&N and Am. Thunder combo = about how much more horsepower and torque?

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