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.
Compatible with the N1-X Evolution Extreme rear section part number 164-KT02 (2014-2016), and 164-KT13 (2017-2020).
Features
- TIG-welded SUS304 stainless steel construction
- Matched and manufactured for select chassis
- Patented megaphone piping structure for torque and throttle response; the design creates a swirling exhaust-gas flow
Specifications
- Part Number: 144-KT02 (RWD); 144-KT09 (AWD)
- Exhaust Type: N1 Evolution Extreme Muffler (N1-X)
- Piping Diameter: 65mm. x 2
- Pieces: 3
- Piping Material: SUS304 Stainless Steel
- System Weight: Mid-pipe only 27.67 lbs. (Stock- 32.52 lbs.) 4.85 lbs. lighter than OEM
- Bolt-On Installation: Yes
Fitment
- Year: 2014-2026
- Make: Lexus
- Model: IS250, IS300 (V6-AWD), IS350
- Body Style: 4-Door Sedan
- Engine: 2GR-FSE, 2GR-FKS
- Chassis: GSE31
Notes
- Sound Level (with part # 164-KT02): 87.0 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; P106 x D66.5: 3901-0700; 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)
| Brand | A'pexi |
|---|---|
| Type | Mid-Pipe |
| SKU | 144-KT09 |
| Weight | 30.0 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.
No reviews yet — be the first to share your experience.