RDLN low-mount exhaust (SKU 0500-1071) — isolated product view showing black matte canister with RDLN badge, chrome header pipe, right-side lower-cowl mount bracket, and polished stainless tip; for 139QMB 50cc vintage scooters RDLN low-mount exhaust (SKU 0500-1071) — isolated product view showing black matte canister with RDLN badge, chrome header pipe, right-side lower-cowl mount bracket, and polished stainless tip; for 139QMB 50cc vintage scooters
RDLN low-mount exhaust 0500-1071 — alternate angle showing full black matte canister body with RDLN badge plate, mounting bolts, and chrome header pipe flange; right-side lower-cowl fitment RDLN low-mount exhaust 0500-1071 — alternate angle showing full black matte canister body with RDLN badge plate, mounting bolts, and chrome header pipe flange; right-side lower-cowl fitment
RDLN low-mount exhaust installed on orange Lowboy vintage 139QMB scooter — showing low-mount position under floorboard cowl with chrome header and black matte canister tucked below frame rail RDLN low-mount exhaust installed on orange Lowboy vintage 139QMB scooter — showing low-mount position under floorboard cowl with chrome header and black matte canister tucked below frame rail
RDLN low-mount exhaust (SKU 0500-1071) — isolated product view showing black matte canister with RDLN badge, chrome header pipe, right-side lower-cowl mount bracket, and polished stainless tip; for 139QMB 50cc vintage scooters
RDLN low-mount exhaust 0500-1071 — alternate angle showing full black matte canister body with RDLN badge plate, mounting bolts, and chrome header pipe flange; right-side lower-cowl fitment
RDLN low-mount exhaust installed on orange Lowboy vintage 139QMB scooter — showing low-mount position under floorboard cowl with chrome header and black matte canister tucked below frame rail

RDLN

RDLN Sport Exhaust - Low-Mount 139QMB 50cc Scooters

SKU 0500-1071
$169.00
Shipping calculated at checkout.
Description

RDLN low-mount performance exhaust for 139QMB-based 50cc vintage-style scooters. Designed specifically for bikes with lower cowls (Lowboy, GY50, and similar retro-bodied frames), this system routes the chrome header pipe under the floorboard and positions the black matte canister low and parallel to the frame for a clean, sleek look. Right-side mount. Made in Taiwan by RDLN.

Key Features:

  • Low-mount canister design — fits vintage-style 139QMB scooters with lower cowls; will not fit standard upswept configurations
  • Black matte powder-coat canister with polished stainless tip
  • Chrome header pipe with right-side lower-cowl mount bracket
  • RDLN branded canister
  • Complete assembly — header pipe, canister, and mounting hardware included

Specifications:

  • Brand: RDLN
  • SKU: 0500-1071
  • Mount side: Right
  • Mount type: Lower cowl (low-mount)
  • Overall dimensions: 36"L x 12"W x 12"H
  • Finish: Black matte canister, chrome header
  • Made in Taiwan

Compatibility — 139QMB-based 50cc / 80cc engines:

Engine Code Engine Code Engine Code Engine Code
139QMA 139QMB 1P39QMB 1P39QMA-2
YN139QMB JJ1P39QMB 139FMA-2 BD1P39QMB
BN139QMB 147QMD Other QMA models Other QMB models

 

If your 50cc engine code contains "QM" or "FM", this exhaust is likely compatible with your vehicle. Verify your frame has a lower cowl configuration before ordering — this is a low-mount system and will not fit standard upswept exhaust layouts.

Off-road use only. Not intended for use on public roads or land. Check local laws before installing.
Product Diagrams
Features
  • Low-mount canister — fits vintage-style 139QMB scooters with lower cowls (Lowboy, GY50, retro-body frames)
  • Black matte powder-coat canister with polished stainless tip, RDLN branded
  • Chrome header pipe with right-side lower-cowl mount bracket and hardware
  • Complete assembly — header pipe, canister, and mounting hardware included
  • Right-side mount | 36"L x 12"W x 12"H | SKU: 0500-1071 | Made in Taiwan by RDLN
Specifications

Brand: RDLN | SKU: 0500-1071 | Mount side: Right | Mount type: Lower cowl (low-mount) | Dimensions: 36"L x 12"W x 12"H | Finish: Black matte canister / chrome header | Fits: 139QMB/QMA 50–80cc | Origin: Taiwan
Model Fitments

139QMB-based 50cc/80cc vintage-style scooters with lower cowl frames (Lowboy, GY50, and similar retro-bodied Chinese 50cc scooters) | Engine codes: 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD | Also fits any QM or FM engine code on a lower-cowl frame
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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