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Akrapovic

Racing Line Carbon Full Exhaust

Name: Racing Line Carbon Full Exhaust
Brand: Akrapovic
SKU: S-A6R4-HAPC

$2,564.05 $1,670.92 Save $893.13

SKU: S-A6R4-HAPC

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$100 Minimum Order

Non-Returnable Item

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Moderate — 2–4 hours

Overview

The Akrapovic Racing Line Carbon Full Exhaust is a high-flow exhaust system designed for the Aprilia RS 660 and Tuono 660. Constructed from titanium, carbon fiber, and stainless steel, this system is designed to optimize power and torque from the 660 cc parallel-twin engine. It is Euro 5 compliant and retains a high-flow catalytic converter.

Show original supplier description

The Akrapovic Racing Line Carbon Full Exhaust is a premium exhaust system engineered to enhance the performance and aesthetics of the Aprilia RS 660 and Tuono 660 models, covering years from 2021 to 2026. Designed to optimize power and torque for the 660 cc parallel-twin engine, it meets EC/ECE type approval and is fully Euro 5 compliant. The system includes a high-flow catalytic converter located in the front part of the pre-muffler, ensuring compliance without requiring an ECU reflash for basic operation. However, ECU remapping is recommended to fully optimize fueling and unlock rideability improvements, with UpMap / Gabro suggested as a prime solution. Beyond performance gains, the Racing Line exhaust system contributes to the bike's racing appearance and offers a tangible weight saving of 0.4 kg compared to the standard stock system. On Akrapovič's in-house dyno, testing revealed an increase of 2.4 hp at 11,200 rpm and a gain of 3.6 Nm of torque at 4,550 rpm, resulting in a more pronounced throttle response. The exhaust produces a deep, full, and sporty sound that enhances the riding experience. An optional Akrapovic aluminum exhaust hanger bracket is available for purchase, serving as a replacement for passenger pegs.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

Brand	Akrapovic
Part Number	S-A6R4-HAPC
Category	Exhaust

Videos

Akrapovic Race vs. Stock Exhaust - Aprilia RS660

FLYBY AND ONBOARD Aprilia RS 660 Akrapovic Racing Line Carbon EC/ECE APPROVED WITHOUT DB KILLER

2021 Aprilia RS660 Sound Akrapovic Exhaust | BEST INLINE 2 EVER HEARD! | Engine revs & onboard sound

Aprilia RS660 with Akrapovic full system - no db killer

Aprilia RS 660 - Akrapovic exhaust (high revs!)

POV DRIVE I Aprilia RS660 I Akrapovic Full System

Sound Check: Aprilia RS660 Akrapovic Full Exhaust Dyno Runs

Aprilia RS 660 exhaust original vs. Akrapovic ➡ sound check and comparison

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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