Well of the two mods, the TB is the power gainer and helps off the line, it takes just a dab in the throttle now to get going.The exhaust is nice, Stainless and easy to bolt up. It sounds nice and not too loud, I'm sure its good for a couple HPs also.
I didn't take any pics of the TB but Dan does very nice work, it looked like I should put it on display. once the computer learns it, you can feel the dif off the line.
I took some photos of the old/new exhaust to compare(this was an HO motor exhaust).
-three are of the system for comps
-two show the HO muffler as a straight through design but necked down to about 2" at the openings
-1 photot of the "Y" pipe connecttion to show those that haven't seen it, how restricive it is

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more

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OH and the old system weighed in at 45.5lbs and the new was 39 lbs

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that is necked down bad in that y pipe

 

yeh its hard to believe they run..lol

 

the tb is a must for these motors. you went with a single cat back. was it a 2.5 or 3 inch. i have the 3 inch and it made a big diff

 

Well it great to hear since I just bought the fastman tb and have had my gibson dual sport exhaust for a while now. Can't wait to get the tb. Glad to hear everything works well together.

 

anyone who does not upgrade to the fastman tb. is losing out on a great mod

 

I went with the 3" pipes and I agree that the TB is a great mod.

 

What about the heat shield? Is it not important enough that the new muffler doesn’t need one? Is the Gibson Stainless? I'm looking for a dual stainless system. I was going to look at a true dual with no cat at all but I think the CAN-B computer would not know what to do without a cat in the exhaust.