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Message started by rangeshooter on 02/25/19 at 15:43:27

Title: Delkevic Exhaust
Post by rangeshooter on 02/25/19 at 15:43:27

What are some thoughts on Delkevic slip on mufflers?
I know their are a good many who run the HD Dyna .
I saw a few references to them but just wanted to hear for someone who has one. I see the description reads that no retuning is needed
So dose that mean they may be restrictive.
Just looking for some feed back.

Title: Re: Delkevic Exhaust
Post by LANCER on 02/25/19 at 17:03:41

Do they use them on any of the newer big singles ?
What’s the price ?

Title: Re: Delkevic Exhaust
Post by Dave on 02/25/19 at 17:04:44

50434C4547514A4D4D564750220 wrote:

I see the description reads that no retuning is needed
So dose that mean they may be restrictive.

A link to what you are talking about always helps. :-?

Most likely they are relying on the fuel injection computer to make corrections......you don't have that luxury.

Title: Re: Delkevic Exhaust
Post by rangeshooter on 02/25/19 at 17:48:11

https://delkevic.com/

They are made for the S40.

Title: Re: Delkevic Exhaust
Post by rangeshooter on 02/25/19 at 17:51:53

Price is$234.00-244.00
They say no re jetting needs to be done but recommend a dyno test.

Title: Re: Delkevic Exhaust
Post by justin_o_guy2 on 02/25/19 at 19:29:51

I put a Supertrapp on my first one.
Awfully expensive
Not worth it
I should have put a Dyna on it and used the money for gas and tires.

Title: Re: Delkevic Exhaust
Post by batman on 02/25/19 at 21:53:39

You may want to go back and read the fitment procedure ,where it states that the baffle (which they sell) has to be replaced about every 10,000 miles, so damage won't occur to the inter baffle pipe and outer shell. My HD Dyna has been in place 4 years ,16.000 miles and I haven't had to look at it . They can be bought usually for less than $50.00 used, and are heavily chromed and will last many years with no attention, much less the expense and hassle of replacing baffle material. I suspect they use fiberglass (I didn't check) , which means the motor will change tune / get louder, constantly as it's runs up the miles . It sounds to me to be over priced and under engineered.

Title: Re: Delkevic Exhaust
Post by Fast 650 on 02/26/19 at 10:48:50

2A39363F3D2B3037372C3D2A580 wrote:

They say no re jetting needs to be done but recommend a dyno test.

If you change the exhaust and it doesn't require rejetting, then the only performance gain you achieve is the tiny amount from reducing the weight in your wallet.

Title: Re: Delkevic Exhaust
Post by justin_o_guy2 on 02/26/19 at 11:41:24

Yep.. pointless from a performance perspective.

Title: Re: Delkevic Exhaust
Post by twhitus on 02/26/19 at 13:41:11

i have the long slash cut one, i have not rejetted and it does not pop more then with stock "little at shutoff and closed throttle"
its pretty loud when you get on it, but at cruising speed my wife can talk to me and i can hear her. if i remember correct it has several different settings for the loudness by removing adding a deflector in the nose of the muffler.
its also about 1/3 the weight of the stock muffler, it fit perfectly.
im pretty happy with it, wished it was cheaper.
not sure if the link will work but this is a very short youtube of my bike with the exhaust fitted. someday ill make a better one
https://www.youtube.com/watch?v=xc0pw__WKKI