Brad's 2021 Aprilia RS 660 with SC Project exhaust

2021 Aprilia RS 660: An RS 660 with a passenger-compatible full exhaust, crash protection and small cosmetic changes.

Victor Moto on YouTube Stage 2 · committed 5 parts $2,210 at typical prices

Parts as named in See The Difference? SC Project Exhaust RS 660 by Victor Moto (Feb 2022). Prices are typical US street prices, verified Nov 2026, not what the builder paid. Not affiliated with or endorsed by the creator.

2021 Aprilia RS 660
PartTypical price Where to buy
SC-Project SC1-R full system (stainless headers)The passenger-compatible SC1-R, part A23-AC90T, set against the titanium Trofeo version.Exhaust
$1,710
Evotech Performance frame slidersEvotech frame sliders listed by part number in the video.Crash Protection
$250
Evotech Performance rear spindle bobbinsEvotech rear spools, listed by part number.Crash Protection
$40
Puig R-Racer windscreeneBay photo
Puig R-Racer windscreenPuig R-Racer screen listed by part number.Bodywork
$130
TechSpec Snake Skin tank gripseBay photo
TechSpec Snake Skin tank gripsTechSpec Snake Skin tank grips, listed by part number.Bodywork
$80
Parts total$2,210 Boxed links go straight to a product at the price we saw on the date shown; the rest are retailer searches. Confirm the part number for your year before you buy.

Some links may earn Unstocked a commission at no cost to you. Prices are typical street prices; check fitment and price at the retailer. Model-specific parts (exhausts, rearsets, bodywork) can cost 2–3× more on one bike than another.

What's in the video

Victor Moto walks through the upgrades on Brad's 2021 RS 660, starting with the SC Project SC1-R exhaust. The description sets it against the Trofeo version, which has titanium headers and no passenger pegs.

The rest of the video goes part by part: the Aprilia solo seat cowl, a fender eliminator, tank grips, frame sliders and rear spools, Rizoma Stealth mirrors and a Puig R-Racer screen.

Brad also runs an UpMap T800, credited to Gabro Racing, which Victor covers near the end, plus Progrip grips and a Luimoto seat.

Also on the bike, not priced here: Rizoma Stealth mirrors BSS070B, UpMap T800 (Gabro Racing), Aprilia solo seat cowl CM325202, JL Design fender eliminator, Luimoto seat, Progrip grips.

Watch See The Difference? SC Project Exhaust RS 660 on YouTube.