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Twisted Steel Down-Pipe - Street Series

Hyundai Elantra GT Sport 2018 I4-1.6L (t)
Part Number: 48-37001-HC

MSRP: $867.40


  • Up to +12 HP and +26 lbs. x ft. Torque max gains (tested with catalytic converter)
  • 3" mandrel bent, 304 stainless steel tubing for improved flow
  • High flow 400 CPSI catalytic converter
  • Laser cut flanges for maximum strength and durability
  • 100% hand MIG-welded for strength and durability
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Add dyno-proven power to your Elantra GT Sport with this Twisted Steel down-pipe which produced up to +12 horsepower and +26 lbs. x ft. torque max gains as measured on our in-house dyno. 3" mandrel-bent, 304 stainless steel tubing and high flow, 400 CPSI catalytic converter improves exhaust flow to deliver increased horsepower and torque. This direct bolt-on down-pipe requires no cutting or drilling and includes quality hardware for a hassle-free installation.

Performance Gains:
In house dyno testing produced gains of up to +12 horsepower and +26 lbs. x ft. torque (tested with catalytic converter).

304 Stainless Steel:
3" mandrel-bent, 304 stainless steel tubing for maximum flow and corrosion resistance.

High-Flow Catalytic Converter:
This system utilizes a 400 CPSI (cell per square inch) high flow catalytic converter for maximum flow.

6" Interlock Flex Pipes:
This unit utilizes heavy duty 6" flex tubes with internal interlock liners.

Laser Cut Flanges:
Quality laser cut flanges mount directly to OE mounting locations for a leak-free sealing surface.

Hassle-Free Installation:
Designed to be a true bolt on system with no cutting or modifications required. Quality hardware is included for a hassle-free installation.

100% MIG-welded for race proven strength and durability.

Race Disclaimer:
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. To complete the purchase of this item, aFe Power competition acknowledgement/liability release form must be filled out and submitted.

All aFe exhaust systems are engineered and manufactured in our Corona, California facility.


Vehicle Applications

Year Make Model SubModel Engine Fuel
2018-2018Hyundai Elantra GT Sport (PD) Turbo I4 1.6L Gas
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