GT350 Kooks long tubes and factory axle back

[f e r]

Damn I LOVE the sound of those stepped LTs with the stock axle-back. Amazing.

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[ITLRUN]

Bone Stock the car made 466.72 HP / 390.19 TQ
With Kooks Headers, Catted X-Pipe and OEM Mufflers it made 481.86 HP / 406.66 TQ
With Full Kooks Exhaust it made 491.02 HP / 410.01 TQ

There have been no other mods made to the car. The tune is still bone stock. I am very impressed with the gains and I know the car will pick up more from just a tune. I hope to get it tuned next week before the 1/2 mile race in Ocala, FL. I'll post the graph soon.

 

[SinisterX]

Kooks 3" from collector back ?

 

[SVTDSM]

491.6 pre tune
518.2 After tune

:first:

 

[stanglife]

:first:

NICE!

 

[ITLRUN]

And the Dyno Chart...

 

[Nataphen]

Smoothed out the torque jump quite a bit. I bet it could be nearly eliminated with a tune now!

 

[Voodooo]

Curious how it would be without mufflers. Nice work.

 

[Newedge713]

Bone Stock the car made 466.72 HP / 390.19 TQ
With Kooks Headers, Catted X-Pipe and OEM Mufflers it made 481.86 HP / 406.66 TQ
With Full Kooks Exhaust it made 491.02 HP / 410.01 TQ

There have been no other mods made to the car. The tune is still bone stock. I am very impressed with the gains and I know the car will pick up more from just a tune. I hope to get it tuned next week before the 1/2 mile race in Ocala, FL. I'll post the graph soon.

Did you make that HP on pump gas or E85 ?

 

[stanglife]

Smoothed out the torque jump quite a bit. I bet it could be nearly eliminated with a tune now!

I was going to say the same thing! Man, make it even MORE linear? Sign me up!

 

[ITLRUN]

Did you make that HP on pump gas or E85 ?

93 Octane Pump Gas. The car was BONE STOCK for the BONE STOCK pull and only added Kooks exhaust components on the other two. :doh:

 

[stanglife]

I should mention - it's good to be into Fords. Do you guys have any idea of what a tuner would charge for this much power, whether from tuning or bolt-ons, if you were driving a 911 or a Cayman??? I had an RS4 and man I loved that car but they got $3500 for an exhaust system and wouldn't even tell you what the power increase was...and that's everything BUT the headers - CRAZY PEOPLE!

 

[Newedge713]

Pretty damn good for pump gas 491.02 HP / 410.01 TQ so i'm guessing if you added E85 and a tune you're looking at 500hp

93 Octane Pump Gas. The car was BONE STOCK for the BONE STOCK pull and only added Kooks exhaust components on the other two. :doh:

 

[xt6wagon]

How much louder than stock is it? I'd hope there will be a stock volume option.

 

[ITLRUN]

How much louder than stock is it? I'd hope there will be a stock volume option.

I'll have the car back next week. I haven't seen or heard it in person after the exhaust yet. It is more quite with the full Kooks exhaust than it is with the Kooks headers, x-pipe and OEM mufflers.

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