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A'pexi

A'PEXi - N1 Evo Extreme (Midpipe) - 2022+ Lexus IS500

4.9 (1 reviews)
SKU144-KT13
$1,399.00
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RESONATOR OPTIONResonated

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About: A'PEXi - N1 Evo Extreme (Midpipe) - 2022+ Lexus IS500

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The N1 Evolution Extreme mid-pipe runs parallel between the catalytic converter and the rear muffler section, using an H-style layout to equalize pressure between both pipes. Its modular design is interchangeable with factory exhaust components; the rear section is sold separately.

Features

  • TIG-welded SUS304 stainless steel construction
  • Patented megaphone piping structure for torque and throttle response; the design creates a swirling exhaust-gas flow
  • Compatible with the N1-X Evolution Extreme rear section part number 164-KT21 (Titanium Tips) or 164AKT21 (Stainless Steel Tips)

Specifications

  • Part Number: 144-KT13: Resonated; 144-KT13P: Non-Resonated
  • Exhaust Type: N1 Evolution Extreme Muffler (N1-X)
  • Piping Diameter: 65mm. x 2 - 50mm. x 4
  • Pieces: 3
  • Piping Material: SUS304 Stainless Steel
  • System Weight: Mid-pipe only 25.90 lbs. (Stock- 35.50 lbs.) 7.6 lbs. lighter than OEM
  • Bolt-On Installation: Yes

Fitment

  • Year: 2022-2025
  • Make: Lexus
  • Model: IS500
  • Body Style: 4-Door Sedan
  • Engine: 2UR-GSE
  • Chassis: USE30

Notes

  • Sound Level (with part # 164-KT21 or 164AKT21): Resonated- 93.1 dB, Non-Resonated- 95.7 dB @ 4,500 RPM. Modular design: Mid-pipe and Rear Section can be interchanged with factory exhaust components.
  • Replacement gaskets: Front Section (Header to Midpipe) x2; P105 x D66.5: 3901-1650; Mid Section (Center of the Midpipe Kit) x2; P97 x D66.5 : 3901-1660; Rear Section (Connecting to Rear Axleback) : Factory OE Donut Gasket (Lexus OE Factory product)
BrandA'pexi
TypeMid-Pipe
SKU144-KT13
Weight30.0 lb
Make["Lexus"]
Model["IS"]
Material["gid://shopify/Metaobject/91049197865","gid://shopify/Metaobject/90679279913"]
Manufacturer Type["gid://shopify/Metaobject/90137755945"]

Shipping: Some items may qualify for free shipping with Local Pickup in store. All orders have a 2–3 business day processing time. Some orders may have extended shipping times based on current stock status — we'll confirm the lead time at order placement.

Returns: Accepted within 30 days of delivery for unused product in original packaging. Returns are subject to a 25% Restocking Fee. Special-order and custom-built items are final sale.

Warranty: All products carry the manufacturer's full warranty. Coverage is honored through PMD as your authorized dealer.

A tracking link is emailed automatically when your order ships. You can also log into your account at any time to view live order status.
Yes — we ship to most international destinations. Duties and taxes are calculated at checkout. Lead times vary by carrier and customs processing.
Inspect your shipment on delivery. If anything is damaged, photograph it before signing and contact us within 48 hours — we'll work with the carrier to resolve it at no cost to you.

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