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[Talon]

Would be concerned about heat from the "U" in that pipe for rider or passenger.

 
Ride Safe,
Fired00d
 

That's what I've heard, the pipes work great, but more heat from the U pipe.

Craig

[motor1]

Looks like the pipe bender was drinking on the job, JMHO!

[walstibsf]

Had the powercurve on my 03 Bagger.  Had tried the rhinehart true duals, and stock head pipes w/ slip-ons also.  And the Bassani powercurve w/ several different sets of slip-ons.  The best combo was the powercurve headpipes and Supertrapp megaphones(didn't want the extra sound of the Bassani megaphones).  Lots of  Low end and power all across the range.  Bet you'll really like this setup with the Bassani megaphones.

[Spiderman]

I've heard this system can be one of the most difficult to tune on a dyno.

Not in my experience. As I've said, I never gave Bassani even a 2nd look until Dave Mackie recommended the system to Bubba_T. FYI, Bubba_T's bike tuned as easily as any the dyno shop the tech who assembled Mackie's shipment of parts sent the bike to  (yeah aren't we lucky here in San Diego, we have places that all they do is tune motorcycles) had done.

B B

[Fullsac Performance]

    Back in the day of 5 speed baggers, I did lots of extensive dyno testing with true duals. Equal length primarys turned out to be one of the
least critical aspects during dyno testing. Primary and muffler core diameter was very critical and yielded immediate differences in TQ curves.
To this day, rumors of true duals killing bottom end power are still alive and well in every forum with out technical explanation.
Properly sized true duals can produce an very smooth bottom end TQ curve. An 88" motor with straight 1.75 primary's and 1.75-2.0 muffler
cores will have good bottom end power when tuned properly. The very popular 1.75-1.875-2.0 stepped true duals with 2.25 cores will kill the
bottom end TQ curve on an 88" motor. Equal length primary's on a well developed HD twin making around 1 HP per cube will show a very slight
gain in Bottom end TQ. Any mistake in the exhaust design will negate that slight advantage of being equal length. Equal length does not
guarantee equal flow. Making the rear primary the same length as the front and then tying it in a knot is one of those mistakes.
The Term "Equal length"  has great marketing value. In the real world, primary and muffler core diameter is far more critical when tuning HD Twins
for Touring duty.

Steve George
Fullsac Performance

[North Star]

   Back in the day of 5 speed baggers, I did lots of extensive dyno testing with true duals. Equal length primarys turned out to be one of the
least critical aspects during dyno testing. Primary and muffler core diameter was very critical and yielded immediate differences in TQ curves.
To this day, rumors of true duals killing bottom end power are still alive and well in every forum with out technical explanation.
Properly sized true duals can produce an very smooth bottom end TQ curve. An 88" motor with straight 1.75 primary's and 1.75-2.0 muffler
cores will have good bottom end power when tuned properly. The very popular 1.75-1.875-2.0 stepped true duals with 2.25 cores will kill the
bottom end TQ curve on an 88" motor. Equal length primary's on a well developed HD twin making around 1 HP per cube will show a very slight
gain in Bottom end TQ. Any mistake in the exhaust design will negate that slight advantage of being equal length. Equal length does not
guarantee equal flow. Making the rear primary the same length as the front and then tying it in a knot is one of those mistakes.
The Term "Equal length"  has great marketing value. In the real world, primary and muffler core diameter is far more critical when tuning HD Twins
for Touring duty.




Steve- I see you have the trual dual conversion kit for the pre 2009 tourers, but have you thought about developing a good performing true dual header for the newer touring models?
From what you've said above, you'd likely put out a product that actually improves low end tq, and has that lumpy true dual sound so many are looking for

[Spiderman]

   Back in the day of 5 speed baggers, I did lots of extensive dyno testing with true duals. Equal length primarys turned out to be one of the
least critical aspects during dyno testing. Primary and muffler core diameter was very critical and yielded immediate differences in TQ curves.
To this day, rumors of true duals killing bottom end power are still alive and well in every forum with out technical explanation.
Properly sized true duals can produce an very smooth bottom end TQ curve. An 88" motor with straight 1.75 primary's and 1.75-2.0 muffler
cores will have good bottom end power when tuned properly. The very popular 1.75-1.875-2.0 stepped true duals with 2.25 cores will kill the
bottom end TQ curve on an 88" motor. Equal length primary's on a well developed HD twin making around 1 HP per cube will show a very slight
gain in Bottom end TQ. Any mistake in the exhaust design will negate that slight advantage of being equal length. Equal length does not
guarantee equal flow. Making the rear primary the same length as the front and then tying it in a knot is one of those mistakes.
The Term "Equal length"  has great marketing value. In the real world, primary and muffler core diameter is far more critical when tuning HD Twins
for Touring duty.

Steve George
Fullsac Performance

If your reference to "tying it in a knot" is aimed at Bassani I think you do them a great disservice in your comment. For somebody of Dave Mackie's reputation to be suggesting to his customers the Bassani system should speak to their performance far above someone engaged in the business of mfg and selling their own line of exhaust products. DME does not mfg nor sell exhaust systems. He has no financial interest in recommending one system or another. As to me, I have clearly stated that I find the loop in the rear cylinder head pipe to be fugly but my exposure to their systems performance as combined with a specific package of performance parts from one of the industry leaders in such products has shown to me that the Bassani system works.

FYI, I have no vested interest in Bassani, however if I could afford to buy a complete new exhaust system for my H-D, I would purchase a Bassani. I trust Dave Mackie as no other individual I've ever encountered in this industry and I've met more than a few in my 40 + years of ridin and wrenchin on my own bikes.

B B

[Fullsac Performance]

Steve- I see you have the trual dual conversion kit for the pre 2009 tourers, but have you thought about developing a good performing true dual header for the newer touring models?
From what you've said above, you'd likely put out a product that actually improves low end tq, and has that lumpy true dual sound so many are looking for

The best true duals won't out perform the best 2 into 1. No plans on my end to make duals for the newer bikes.
 True duals sound good but are on the louder side. That's not the direction the we need to go as an industry.

SG

[Fullsac Performance]

If your reference to "tying it in a knot" is aimed at Bassani I think you do them a great disservice in your comment. For somebody of Dave Mackie's reputation to be suggesting to his customers the Bassani system should speak to their performance far above someone engaged in the business of mfg and selling their own line of exhaust products. DME does not mfg nor sell exhaust systems. He has no financial interest in recommending one system or another. As to me, I have clearly stated that I find the loop in the rear cylinder head pipe to be fugly but my exposure to their systems performance as combined with a specific package of performance parts from one of the industry leaders in such products has shown to me that the Bassani system works.

FYI, I have no vested interest in Bassani, however if I could afford to buy a complete new exhaust system for my H-D, I would purchase a Bassani. I trust Dave Mackie as no other individual I've ever encountered in this industry and I've met more than a few in my 40 + years of ridin and wrenchin on my own bikes.

B B

I rarely mention names in my post. I have no interest in disservicing anyone. Let me try to be a little more specific. My dyno testing showed no
performance advantage with the Basanni system. That's also to say it showed no performance disadvantage either. In back to back dyno testing
on an 88" engine with stock cams, the loop was undetectable when compared to a typical left side exit. Out of curiosity, I fabbed up a equal
length rear pipe that shot straight back on the right side and and did see a slight gain in TQ. The loop cancelled that gain. Pipe diameter as I mentioned
was critical. Different engines will show different results.
Sorry if the results of my dyno testing offended anyone.

Steve George
Fullsac Performance

[josh909]

well.....just got the system put on...... and well...... it is so friggn AWSOME the sound is amazing and the GROWL! its lound through town and just a low pur on the interstate! love it love it love it!!!!!!!!!!!!!!!!

[josh909]

fresh off UPS

[josh909]

and another!

[josh909]

OHH another!

[josh909]

LAST ONE!

[kiwihog]

IMHO it's damm ugly!  Looks like a big loop of intestine hanging out the side of your bike.

What he said