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Brian works his magic on another Ms3 cammed ls1!


fas1k

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Yep, it also had the same cam and made 441 and 415.

 

Chris get that flowmaster off your car and you will pick up 20 HP

 

I left my flowstopper on and got a cutout... gained exactly 20 hp. Flowmaster sucks :lol:

 

Chris, do you have the catback or just the muffler?

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I run a flowmaster with an e-cutout. I like the flowmaster because I can cruise through town and don't have to worry about being hassled by the cops. It doesn't make the HP the other catbacks make but it's quieter. If I want to open it up then I just open the cutout. Best of both worlds IMO.
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I left my flowstopper on and got a cutout... gained exactly 20 hp. Flowmaster sucks :lol:

 

Chris, do you have the catback or just the muffler?

 

Had the complete cat back, I cut that crap off. It's got a bullet with a turn down off the Y for now. Have not had a chance to re-Dyno it. I hope it picks up at least 15! Glad to hear everyone else was losing power on the flowstopper lol

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I run a flowmaster with an e-cutout. I like the flowmaster because I can cruise through town and don't have to worry about being hassled by the cops. It doesn't make the HP the other catbacks make but it's quieter. If I want to open it up then I just open the cutout. Best of both worlds IMO.

 

My first instinct was to put a cut out in. After the long tubes and ORY install the sound of the flowmaster was horrible imo. It was real raspy and had a rattle tone to it.

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I run a flowmaster with an e-cutout. I like the flowmaster because I can cruise through town and don't have to worry about being hassled by the cops. It doesn't make the HP the other catbacks make but it's quieter. If I want to open it up then I just open the cutout. Best of both worlds IMO.

 

That's why you leave the stock muffler on the car with a cut out.

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That's why you leave the stock muffler on the car with a cut out.

 

My car came with the flowmaster, so that wasn't an option for me. That sleeper effect your car has linn is bad ass!

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I have 4.10s in my car on the spray with a 28 tall drag radial and it drives like a champ on the street. I drive it everywhere but I also have a progressive controller for my spray because I'm afraid of breaking the 10 bolt.

 

4.10s and a 28 inch tall tire are like 3:73.

 

 

Chris, if you are going to run a taller tire, run go with 4.10 or higher, 3.90 is perfect with the stock sized tire.

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Had the complete cat back, I cut that crap off. It's got a bullet with a turn down off the Y for now. Have not had a chance to re-Dyno it. I hope it picks up at least 15! Glad to hear everyone else was losing power on the flowstopper lol

 

Smart move :fuckyeah: Taking off flowmaster anything is good for a gain lol

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Are the dyno numbers you guys are throwing around accurate? The 2.5 5.3 heads and cam that is near spot on to the MS3 made 475/435 on a Dynojet. This is with QTPs and a Flowmaster catback, which didn't change my numbers at all when I switched to a 4" Mufflex system.
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My camaro had almost the exact same set up his car has. I had an ms3, PRC stage 2.5 5.3 heads, pace setter Lt's and ORY, SLP lid, Ls6 intake, ported maf and tb and a flowmaster and my car made 439/398. Both of our cars were tuned by brian and on his dyno. When i swapped to a bullet off of the ORY and had it back on the dyno there were no gains for me.
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Are the dyno numbers you guys are throwing around accurate? The 2.5 5.3 heads and cam that is near spot on to the MS3 made 475/435 on a Dynojet.

 

Sounds like STD numbers to me on a HOT day with Zero Smoothing.

 

I would like too see the Uncorrected, STD, and SAE numbers for this pull set to a smoothing of 3.

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