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RB Racing LSR 2-1 Exhausts for Harley-Davidson
https://www.rbracing-rsr.com/lsr21.htm
RB Racing makes LSR 2-1 pipes for Confederates, Bourgets, Kenny Boyce and other frames including choppers so you don't have to get stuck with a set of non-performing pipes that will keep you parked where it's safe instead of at the head of the pack where your dream should be.
RB Racing
https://rbracing-rsr.com/
The pipe is a 2" LSR 2-1 Pro Stock 00-1381 and is headed off for a Silver Ceramic finish. Customer runs a ported Super"D" with Thunderjets and a ram air system. You can't get a 2" pipe at the ports as we can on our other systems so we have to "bell" the 1 3/4" into the 2" primaries.
RB Racing LSR 2-1 Exhaust Technology
https://www.rbracing-rsr.com/exhausttech.htm
RB Racing uses a merge angle of 12.5 degrees on the LSR 2-1 Pro Stock unbaffled 2.5" tail section designs. In our LSR 2-1 baffled pipes with their 3” tail sections we accomplish the merge with an hourglass shaped muffler core which has the flow characteristics of a single 2” primary tube. The hourglass shape forms a venturi which, in turn, sends back a low pressure signal to …
RB Racing LSR 2-1 Pro Stock for Harley-Davidson
https://www.rbracing-rsr.com/lsrprostock.htm
It's the Airflow That Limits Things. RB Racing LSR 2-1 Exhaust systems are now available for S&S Cycle Special Application "SA" heads with 2 inch diameter primaries. The standard SA exhaust valve is a whopping 1.75" diameter (B2 heads are 1.800") with a special (non standard) exhaust port configuration.
RB Racing LSR Black Hole 2-1 Exhausts for Harley-Davidson
https://www.rbracing-rsr.com/lsr21blackhole.htm
RB Racing LSR Black Hole 2-1 Exhaust systems are now available for S&S Cycle Special Application "SA" and B-2 heads with 2 inch diameter primaries. The standard SA exhaust valve is a whopping 1.75" diameter with a special (non standard) exhaust port configuration. Newer B-2 heads employ 1.800" exhaust valves.
LSR 2-1 Sportster - RB Racing-RSR
https://rbracing-rsr.com/lsr21/sportster.html
All RB Racing LSR Exhaust Systems feature our "new" (we've been quietly doing it since 1985!) CNC machined Turbo Venturis that actually "scavenge" to help your motor breathe. Machined from billet, these allow full 2" flow and eliminate the phony restrictions that other 1 3/4" to 2 1/4" pipes have at your exhaust port.
RB Racing LSR Pipes | V-Twin Forum
https://www.v-twinforum.com/threads/rb-racing-lsr-pipes.159027/
RB Racing LSR Pipes. Jump to Latest Follow 1 - 20 of 30 Posts. 1; 2; Next. 1 of 2 Go to page. Go. B. BadWeather · Premium Member. Joined Jun 10, 2009 · 226 Posts ... I'm concerned that these LSR pipes will hurt low end torque and are more designed for WOT riding then the cruising that I do. Thanks in advance. 06 CVO Ultra 113" w/ 0.010 OS SE ...
Review: RB racing LSR 2-1 - ChopCult
http://www.chopcult.com/forum/showthread.php?t=36073
The RB Racing LSR 2-1 pipes are built to spec for your motor. They have been proven to outperform all other exhausts in real world conditions . The owner is eccentric and does not suffer fools easily. I think you mean "built to order". The standard part numbers are no more built to spec for your motor than a D&D or Vance and Hines.
RB Racing Indian LSR 2-1 Pro Stock Spyder Exhausts
https://www.rbracing-rsr.com/indian.html
The Indian Chief 2-1 exhaust uses all of RB Racing's LSR 2-1 Black Hole and Pro Stock Spyder Technology. We designed this system for real world performance and in testing easily bested published 40-60 and 60-80 mph roll-ons in dead stock configuration. Indian Dealer upgrades to 116" are available for earlier models like the 2014 pictured above.
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