Lexus IS 500: bringing out the naturally aspirated V8, the complete guide
The IS 500 is a wonderful anachronism: a naturally aspirated 5.0 V8 in a compact saloon, in the middle of the downsizing era. That act of resistance deserves its full soundtrack, the one that type approval holds back. Here you will find everything that matters before configuring the exhaust for your Lexus IS500 XE30 V8: catalytic converter, material, valves, tips and the French MOT.
Written by ROG Motorsport · Updated
Your ROG exhaust for the Lexus IS500 XE30 V8
From €3,390 in stainless steel, €4,140 in titanium
Configure my exhaust- Vehicles
- Lexus IS500 XE30 V8 5.0 (2025)
- Engine
- 2UR-GSE · 479 hp · 536 Nm
- Exhaust
- Valved cat-back, built for your VIN
- Material
- 304 stainless steel or titanium
- Front section
- Optional: catted manifolds with 200 or 100 cells, or decat
- Valves
- ROG remote, or factory control if your vehicle has it
- Lead time
- 20 working days from order confirmation to delivery
- Warranty
- 3 years, parts and workmanship
Closely related versions have their own guide: Lexus GS F L10 V8 5.0 2UR-GSE left-hand drive, Lexus IS F XE20 V8 5.0, Lexus LC500 Z100 V8 5.0, Lexus RC F XC10 V8 5.0.
The Lexus 5.0 V8: high-precision Japanese natural aspiration
The naturally aspirated 5.0 V8 in your IS 500 is a precious rarity: in the age of turbos everywhere, Lexus sticks with a high-revving V8, built with watchmaker precision and howling beyond 7,000 rpm. Connoisseurs rank it among the finest modern V8s. Its refined factory exhaust holds back the upper register this engine deserves to show.
The ROG exhaust unleashes it: the V8 gains presence at every rev and its crescendo becomes unforgettable. With the valves closed, the Lexus refinement is fully preserved.
How the exhaust on your Lexus IS500 XE30 V8 is put together
An exhaust system is best understood in two parts. Here is what each one does, and what ROG replaces.
The cat-back is the complete exhaust system
It is everything you can see under your Lexus IS500 XE30 V8, from the outlet of the front section to the tips: pipes, silencers, valves. This is the part where most of our research and development goes: it is what shapes the sound, and it is enough on its own to transform the car.
The front section, where the catalytic converter sits
On your Lexus IS500 XE30 V8, it is the manifolds, which collect the gases as they leave the cylinders. The factory catalytic converter is built into it: the second restriction in the exhaust, after the silencer. Replacing it is optional: it frees up the flow, and it is the ECU remap that turns that into horsepower.
The figures for your Lexus IS500 XE30 V8
An exhaust system is judged first by ear and on the scales. The extra horsepower comes from an ECU remap.
Power
Torque
Published manufacturer and Stage 2 figures, converted from US units.
The ROG exhaust works with or without an ECU remap. To get the full potential out of your Lexus IS500 XE30 V8, we recommend taking it to an approved tuning centre afterwards.
Let's be honest: on the naturally aspirated Lexus V8, the gains from an exhaust remain modest, and the essentials lie in the breathing and the sound crescendo. An ECU remap at an approved tuning centre then fine-tunes the engine management. You modify a Lexus 5.0 for what you hear, and you will not be disappointed.
Configuring your exhaust, step by step
4 choices, in the same order as the product page configurator.
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Step 1 of 4: Material: stainless steel or titanium
For your Lexus IS500 XE30 V8, the exhaust costs €3,390 in stainless steel and €4,140 in titanium.
304 stainless steel
3 390 €
- Weight
- Baseline
- Sound
- Full and rounded
The safe bet: strong, corrosion-proof, with a full, rounded sound. The best value for money.
Titanium
4 140 €
- Weight
- Around 40% lighter
- Sound
- Metallic, crystal-clear
It makes the exhaust around 40% lighter for the same design. Its note is more metallic and clearer higher up the rev range, and its finish ranges from brushed to blued.
No worries on durability: 304 stainless steel shrugs off winter road salt and titanium does not rust. Stainless steel or titanium: what really changes.
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Step 2 of 4: Front section: manifolds and catalytic converter
Optional: the manifolds on your Lexus IS500 XE30 V8, with their catalytic converter. Each option is placed on our sound scale of 0 to 10, valves open, with the factory exhaust at 3.
Cat-back only
Included
7/10Factory emissions control
The factory front section stays in place. It is already a complete transformation, and the choice of many of our customers.
200-cell sports catalytic converter
+2 710 €
8/10Road use and French MOT
More flow, emissions control retained: the right option for road use.
100-cell sports catalytic converter
+2 710 €
9/10French MOT pass not guaranteed
More open than the 200-cell: the sound hardens at high revs and emissions control is reduced.
Decat
+1 970 €
10/10Track use only
Flow with no filter at all: the rawest sound and the sharpest response.
Sound intensity, on a scale of 0 to 10
- 10/10Decat manifolds + ROG cat-back
- 9/10100-cell sports catalytic converter + ROG cat-back
- 8/10200-cell sports catalytic converter + ROG cat-back
- 7/10ROG cat-back only, factory catalytic converter retained
- 3/10Factory exhaust, for comparison
Valves open. With the valves closed, every configuration becomes discreet again.
What about the engine warning light? With a sports catalytic converter it can come on, because the rear oxygen sensor reads less cleaning. Nothing mechanical is wrong: an ECU remap or a session with a diagnostic tool sorts it out. Without a catalytic converter, you will need an ECU remap. If it happens to you, call us and we will point you in the right direction. Passing the French MOT with a sports exhaust.
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Step 3 of 4: Valves: ROG remote or factory control
Two ways to control the valves on your Lexus IS500 XE30 V8.
ROG remote
A discreet control unit in the boot and a two-button remote: you open and close whenever you like, independently of the drive modes. For fitting, we support you by phone or by email.
Factory control
- Only for vehicles fitted with factory valves
- Controlled by the drive modes
For vehicles fitted with factory valves: the exhaust connects to their control and the drive modes stay in charge, with no extra control unit.
At 130 km/h, many sports exhausts drone. Here, with the valves closed, the exhaust flows through the silencer and stays composed when cruising; open, it makes itself heard when you choose. More about exhaust drone.
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Step 4 of 4: Tips: the visual signature
Match the tips to the style of your Lexus IS500 XE30 V8, understated or bold. A particular finish in mind? Send us a photo and we will look at it together.
- Stainless steel
- Black
- Carbon
- Blued titanium
The ROG sound signature on the Lexus V8
Our exhaust unleashes the 5.0's crescendo: more presence at every rev, an ever purer howl towards 7,300 rpm, and refined bangs on the overrun with the valves open. With the valves closed, the Lexus refinement is fully preserved.
From order to fitting
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Configuration
You configure the exhaust and enter the VIN from box E of your registration certificate.
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Check
Your VIN is checked before any manufacturing begins.
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Manufacturing
The exhaust is produced to order, for your vehicle.
-
Delivery
Free in Europe, insured parcel, tracking number from dispatch.
-
Fitting
Around two hours in the workshop, with no welding or cutting.
20 working days from order confirmation to delivery
- Warranty
- 3 years, parts and workmanship, from the date of delivery
- Payment
- In instalments with Klarna
- Installation
- At the garage of your choice
Is your Lexus IS500 XE30 V8 still under the manufacturer's warranty? In Europe, the manufacturer cannot refuse cover simply because a part from another brand has been fitted: it is up to the manufacturer to prove that the fault came from that part. Our article on the manufacturer's warranty.
Our recommendations for your Lexus IS500 XE30 V8
-
Daily driving
3 390 €
- Stainless
- Cat-back only
- ROG remote
Your Lexus IS500 XE30 V8 stays easy to live with, the factory emissions control is retained, and you open the valves whenever you decide.
View this configuration -
Fast road
6 850 €
- Titanium
- 200-cell manifolds
- ECU remap
The best of both worlds: character and breathing, with emissions control retained.
View this configuration -
Track
6 110 €
- Titanium
- Decat manifolds
- Stage 2
The most extreme configuration, for track use only.
View this configuration
Every Lexus IS500 XE30 V8 has its own story and its own use: if none of these profiles sounds like you, let's talk.
Lexus IS500 XE30 V8: your questions
How much power does an exhaust system add to the Lexus IS500 XE30 V8?
As standard, the Lexus IS500 XE30 V8 produces 479 hp and 536 Nm. The exhaust alone acts first on sound, breathing and weight; the extra horsepower comes from an ECU remap.
Stainless steel or titanium: which material for the Lexus IS500 XE30 V8?
For the Lexus IS500 XE30 V8, the ROG exhaust costs €3,390 in stainless steel and €4,140 in titanium. Stainless steel is the safe bet, with a full sound; titanium makes the exhaust around 40% lighter and gives a more metallic note higher up the rev range.
Do you need to replace the catalytic converter on the Lexus IS500 XE30 V8?
It is not compulsory. The cat-back alone is enough to change the character of the Lexus IS500 XE30 V8. Replacing the manifolds is how you go further, together with an ECU remap: 200 cells for the road, 100 cells or decat for more radical use.
Will the Lexus IS500 XE30 V8 pass the French MOT with a ROG exhaust?
The cat-back only and the 200-cell converter both retain emissions control: present the Lexus IS500 XE30 V8 with the valves closed. With the 100-cell converter, a pass is no longer guaranteed; the decat fails the emissions test.
How is the ROG exhaust fitted to the Lexus IS500 XE30 V8?
With clamps and gaskets, no welding or cutting: around two hours in the workshop for a well-equipped mechanic. The exhaust is built to the VIN of your Lexus IS500 XE30 V8.
What does a ROG exhaust cost for the Lexus IS500 XE30 V8, and how long does it take?
From €3,390 to €6,850 depending on the configuration. Allow 20 working days from order confirmation to delivery. Delivery is free and the exhaust comes with a 3-year warranty.
Unsure about your configuration? Give us a call.
Stainless steel or titanium, cat-back only or the complete system: the right choice depends on how you drive and on your Lexus IS500 XE30 V8. We take the time to talk it through before you order, with a reply within 24 hours. We are not here to sell to you over the phone: we help you choose, even if that means a cheaper option because it suits the way you drive.
ROG is a French brand, and the way we work comes down to one idea: an exhaust system should be sold with advice, not just a product page. More than 500 exhaust systems fitted and a rating of 4.9 out of 5.
Further reading
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