V-Twin Exhaust Build

crash12888 · 02-11-2021, 01:58 PM

I was asked so thought I would reply,

Pipe kit came from bullfrogperformanceproducts.com
I got the first kit from Vegas carts and didn't like the muffler and they don't sell just the pipe kit.
Went looking around and found Bull Frog, cheaper kit with no muffler, larger diameter pipe so you might need to redrill your flanges but does work.
The mufflers are stock Briggs mufflers #392101, you have to cut the inlet off and weld on a short piece from the pipe kit so the bell can slide on.

JPonLKN · 02-11-2021, 08:01 PM

Thanks for the reply Crash! I know "quiet" is subjective, but how do you figure it compares to a stock gas cart? $200+ just for the pipe kit and mufflers is a bite to chew on for a guess. From the sounds of it, it is likely the best big block twin exhaust results to date...If i could get it down to a throatier stock cart or any where near stock, I would get the crow bar out on and open up the wallet, just hate to do it for marginal results.
Did you have to do any bending, or were there enough bends in the kit to make it work? I'm tempted to go get a pipe bender from HF and buy some straight lengths of pipe.

crash12888 · 02-11-2021, 08:15 PM

For some reason I thought I paid $68 for the pipe kit but maybe it was last years prices, ($98 now). Mufflers were Ebay for around $40 each. I still need to get two of the deflectors for $12 each.
Kinda pricey but compared to any stock cart muffler it all sucks the life out of your wallet!!!!
I mounted the flanges and mufflers and then just built the pipes from engine to mufflers. I cut the pipe kit and tacked it as I built them and then welded on the bench.
I also bolted the flanges through a 2X4 so they wouldn't pull as i welded it up.

rifter · 02-12-2021, 07:07 AM

I built these for my 18 Opposed.

rifter · 02-12-2021, 07:11 AM

I love building Headers, Built these for my Falcon.

rifter · 02-12-2021, 07:14 AM

Quote:

Originally Posted by crash12888

For some reason I thought I paid $68 for the pipe kit but maybe it was last years prices, ($98 now). Mufflers were Ebay for around $40 each. I still need to get two of the deflectors for $12 each.
Kinda pricey but compared to any stock cart muffler it all sucks the life out of your wallet!!!!
I mounted the flanges and mufflers and then just built the pipes from engine to mufflers. I cut the pipe kit and tacked it as I built them and then welded on the bench.
I also bolted the flanges through a 2X4 so they wouldn't pull as i welded it up.

Exactly how it's done, good job Crash. That's the way I setup Dave's Headers (smallblock450sl) for the Yamahauler.

BIKERMIKEYBLACK · 02-12-2021, 10:23 PM

Great idea on the crossover pipe most Harley exhausts have that , also helps balence and midrange I’m getting ready to build a Robertson kit for my vanguard I may use that crossover deal too right now I have a 22022 Stanley tractor muffler and I cut it open and packed the outlet side with 1 in ceramic muffler packing and added some more dimples to the outlet pipe it really quieted it down and has a mellow tone

rib33024 · 02-13-2021, 08:47 AM

Looks great

crash12888 · 02-13-2021, 09:41 AM

Rifter, That is some sweet work right there, I have always admired someone who takes everyday old shop work and turns it into Art work!!

smallblock450sl · 02-15-2021, 06:39 PM

Nice to see you building again buddy

Rifter is a master. The header for Yamahauler was out of this world!

02-11-2021, 01:58 PM	#11
crash12888 Gone Crazy Join Date: Jan 2007 Location: Chesterfield, Va Posts: 6,021	Re: V-Twin Exhaust Build I was asked so thought I would reply, Pipe kit came from bullfrogperformanceproducts.com I got the first kit from Vegas carts and didn't like the muffler and they don't sell just the pipe kit. Went looking around and found Bull Frog, cheaper kit with no muffler, larger diameter pipe so you might need to redrill your flanges but does work. The mufflers are stock Briggs mufflers #392101, you have to cut the inlet off and weld on a short piece from the pipe kit so the bell can slide on.

02-11-2021, 08:01 PM	#12
JPonLKN Gone Wild Join Date: Jul 2020 Location: NC Posts: 773	Re: V-Twin Exhaust Build Thanks for the reply Crash! I know "quiet" is subjective, but how do you figure it compares to a stock gas cart? $200+ just for the pipe kit and mufflers is a bite to chew on for a guess. From the sounds of it, it is likely the best big block twin exhaust results to date...If i could get it down to a throatier stock cart or any where near stock, I would get the crow bar out on and open up the wallet, just hate to do it for marginal results. Did you have to do any bending, or were there enough bends in the kit to make it work? I'm tempted to go get a pipe bender from HF and buy some straight lengths of pipe.

02-11-2021, 08:15 PM	#13
crash12888 Gone Crazy Join Date: Jan 2007 Location: Chesterfield, Va Posts: 6,021	Re: V-Twin Exhaust Build For some reason I thought I paid $68 for the pipe kit but maybe it was last years prices, ($98 now). Mufflers were Ebay for around $40 each. I still need to get two of the deflectors for $12 each. Kinda pricey but compared to any stock cart muffler it all sucks the life out of your wallet!!!! I mounted the flanges and mufflers and then just built the pipes from engine to mufflers. I cut the pipe kit and tacked it as I built them and then welded on the bench. I also bolted the flanges through a 2X4 so they wouldn't pull as i welded it up.

02-12-2021, 10:23 PM	#17
BIKERMIKEYBLACK Gone Wild Join Date: Jun 2011 Location: Kingston Springs Tn. Posts: 874	Re: V-Twin Exhaust Build Great idea on the crossover pipe most Harley exhausts have that , also helps balence and midrange I’m getting ready to build a Robertson kit for my vanguard I may use that crossover deal too right now I have a 22022 Stanley tractor muffler and I cut it open and packed the outlet side with 1 in ceramic muffler packing and added some more dimples to the outlet pipe it really quieted it down and has a mellow tone

02-13-2021, 08:47 AM	#18
rib33024 ...................... Join Date: Apr 2009 Location: FT Lauderdale FL. Posts: 16,416	Re: V-Twin Exhaust Build Looks great

Today
BGW	Sponsored Links __________________ This advertising will not be shown in this way to registered members. Register your free account today and become a member on Buggies Gone Wild Golf Cart Forum

02-13-2021, 09:41 AM	#19
crash12888 Gone Crazy Join Date: Jan 2007 Location: Chesterfield, Va Posts: 6,021	Re: V-Twin Exhaust Build Rifter, That is some sweet work right there, I have always admired someone who takes everyday old shop work and turns it into Art work!!

Similar Threads
Thread	Forum
CPP V Twin Exhaust	Big Block Talk!
My v-twin build is done	Big Block Talk!
Super Quiet Exhaust system for honda v-twin	Big Block Talk!
Honda v twin Exhaust too Loud	Gas EZGO
Briggs 18HP Vanguard V-twin exhaust system or muffler needed. Where o I get it?	Big Block Talk!