My Cart
€0.00
Pensez à sélectionner votre vehicule pour limiter les resultats de recherche
Our Services
Exhaust
Performance Sports Exhaust Systems & High-Flow Components
At Optimiz Access, we offer a comprehensive lineup of sports exhaust systems and high-performance components designed to enhance the exhaust note, optimize gas flow, and increase engine power for your sports vehicle or premium car. A key hardware upgrade in automotive tuning, a stainless steel or titanium exhaust system completely elevates your driving experience.
Key advantages of our performance exhausts: unlocked engine sound, significant reduction in backpressure, substantial weight savings over OEM systems, and top-tier aesthetic finishing.
Our Exhaust Categories & Components
Explore all our sub-categories to build or upgrade your custom exhaust setup (street, trackday, competition):
- Full Systems & Cat-Backs – Stainless steel or titanium cat-back systems with or without active valves to maximize power and acoustics.
- Performance Silencers – Stainless rear mufflers, active valved mufflers, or muffler delete pipes with carbon or stainless tips.
- Center Pipes & Midpipes – Resonated or non-resonated midpipes to adjust exhaust tone and eliminate unwanted drone.
- Exhaust Manifolds & Headers – 4-in-1, 4-2-1, and tubular turbo manifolds designed to maximize gas evacuation directly from the engine block.
- Downpipes, De-cats & Sports Cats – High-flow turbo downpipes and 200-cell sports catalytic converters for unrestricted gas flow.
- Mounting Hardware & Heat Protection – Heavy-duty rubber mounts, clamps, gaskets, and thermal insulation heat wraps.
Leading Performance Exhaust Manufacturers
We partner with world-renowned motorsport exhaust manufacturers: Akrapovič, Milltek Sport, Inoxcar, Remus, Scorpion Exhausts, Ragazzon, K-Tec Racing, and Supersprint.
Why Choose Optimiz Access for Your Exhaust System?
Since 2010, Optimiz Access has specialized in the custom upgrading and maintenance of sports vehicles. Located in northern France (Hauts-de-France) — near Lille, Valenciennes, Cambrai, Arras, Seclin, Douai, and Saint-Quentin —, our expert technicians assist you with hardware selection and ensure high-precision workshop fitting. We guarantee strict quality control and fast worldwide shipping.
Unleash Your Engine's True Potential Today
Give your car the exhaust note and output it truly deserves. Trust the expertise of Optimiz Access, select your performance exhaust system today, and take advantage of our fast dispatch.
Subcategory
View Left Column
There are 143 products.
Grid
Grid-2
List
List-2
Catelog
Active filters
- Categories: Accessories
Do not let a damaged hanger weaken your vehicle's exhaust system. A sagging, cracked, or torn exhaust rubber mount causes excessive catalyst movement, leading to underbody knocking and premature fatigue on your exhaust welds.
This genuine OEM Renault exhaust rubber hanger provides optimal vibration absorption and ensures...
€22.79Price
Ensure a solid and durable mounting of your turbo to the exhaust manifold on your Renault Megane 2 RS or Megane 3 RS with this genuine Renault nut. Designed to withstand extreme temperatures and vibrations, it is essential to prevent exhaust leaks and preserve your engine's performance. Make no compromises on the quality of your turbo assembly.
€2.72Price
Silent bloc d'echappement Clio 2 RS Vendu à l'unité. Attention, Les clio RS a partir de 2004 sont équipées de 2 silent bloc de silencieux
€42.08Price
Silent Bloc downpipe Megane 3 RS et N4 Véritable Produit Renault Vendu à l'unité.
€27.05Price
Cale support silentbloc échappement Twingo R2 Référence: 7711167686
€19.99Price
Collier qui sert à la jonction entre le collecteur et le catalyseur sur Clio 3 RS mais aussi entre le tube de descente (ou apres 2nd cata) et l'intermediaire pour Megane 2 RS et Clio 4 RS
€20.32Price
Collier métallique pour Ruban Thermique. Longueur 300 mm Vendu à l'unité
€2.36Price
The Renault exhaust manifold or downpipe-to-catalytic-converter fastening nut , references 7703034303 and 7703034217, is a fastening component designed to secure compatible parts of the exhaust system.
This Renault part is listed for selected Renault Sport...
€8.46Price
Sonde lambda Megane 2 RS. Sonde Identique selon son emplacement
€202.09Price
Bande Isolante pour collecteur ou ligne. Bande de 25 mm de large et 15m de long. Réduit considérablement la chaleur dans le compartiment moteur, ce qui permettra de préserver certains éléments s'y trouvant. Permet également d'augmenter la vitesse de passage de gazs.
€53.82Price
Sonde Lambda (capteur oxygene) Twingo RS et R1 Référence: 8200940054
€158.24Price
Graisse cuivrée Graisse résistante aux très forte température (généralement utilisée sur les vis ou boulons d’échappement ou axe de plaquettes (attention a ne pas en mettre sur les plaquettes) Convient pour tous assemblages vissés ou boulonnés, en assurant l’étanchéité et le démontage sans risque de grippage. Convient pour les organes soumis aux hautes températures et à la corrosion en...
€10.80Price
Support silentbloc de silencieux Twingo R2 7711167685
€65.33Price
Joint Collecteur Echappement. Joint permettant de faire l’étanchéité entre le moteur et le collecteur d'echappement Il est conseillé de le changer lors à chaque démontage.
€13.20Price
Ensure a perfect and aesthetic junction for your exhaust line with this Powersprint universal exhaust sleeve . Crafted from high-quality stainless steel for a 70mm diameter , this connector is the essential accessory for a professional and durable finish to your exhaust system.
Material:...
€23.87Price
Sabot de protection thermique bouclier AR Twingo R2
Référence: 7711167687
€54.29Price
Protect the performance of your Renault Megane 2 RS or Megane 3 RS with this genuine Renault Sport exhaust manifold gasket . An essential part to prevent power loss and abnormal noises. Don't let a leak compromise your driving pleasure.
€8.88Price
Do not let an exhaust leak ruin your sports car's exhaust note or cause a roadworthiness inspection failure. A worn, rust-deformed, or loose exhaust connection sleeve causes metallic rattling, gas pressure loss leading to low-end torque drop, and unpleasant exhaust fumes inside the cabin.
This genuine OEM Renault exhaust sleeve...
€35.58Price
Joint faisant la liaison entre le collecteur et votre catalyseur (ou subsitut cata ou catasport)
Après démontage, il est conseillé de monter des joints neufs.
€11.60Price
Manchon échappement diamètre 60 idéal pour raccorder vos tubes
€21.00Price
Don't let exhaust leaks ruin your vehicle's performance and sound. This high-quality stainless steel exhaust sleeve , featuring a female-female design, is the perfect solution for connecting two 63.5mm (2.5") outer diameter pipes. Engineered for a perfect seal and long-lasting corrosion resistance, it is the essential...
€34.00Price
En Stock
€8.50
€10.62
Regular price
-20% off
Price
En Stock
€8.50
€10.62
Regular price
-20% off
Price
Ensure a leak-free exhaust system with this genuine Renault sealing gasket . Specifically designed for the connection between the catalytic converter and the downpipe , it is an essential component for your Megane 2 RS or Megane 3 RS .
Certified...
€8.50€10.62Regular price-20% offPrice
Restore the shine to your sports car's rear end with this genuine Renault exhaust tip . Specifically designed for the Renault Clio 3 RS Phase 2 , this chrome-plated metal finish ensures a perfect aesthetic that matches the factory exit look.
Authentic Renault Sport ...
€74.40Price
Do not risk a dangerous exhaust gas leak underneath your cabin, a critical drop in backpressure that harms engine performance, or an immediate failure during vehicle inspection due to an unsealed system. The high-durability 50 mm diameter exhaust sleeve connector is the...
€21.00Price
Collier d'échappement Twingo RS et R1 Collier de liaison tube de descente et intermédiaire
€16.80Price
Ensure a perfect seal for your exhaust system with this catalytic converter outlet gasket for Renault Clio 2 RS . An essential part for maintaining the performance of your F4R engine, this gasket prevents gas leaks between the catalytic converter and the center section of...
€9.55Price
The original Renault exhaust tip shield (sold individually, compatible left and right) is an essential part to protect the rear diffuser of your Renault Clio 3 RS Phase 2 and Renault Clio 3 X85 Cup . It prevents damage caused by heat and exhaust gases.
€63.66Price
Silent bloc d'intermediaire d’échappement pour Megane 2 RS appelé egalement plot suspension Véritable Produit Renault Vendu à l'unité. Pieces Remplacant le systeme de sangle fragile dans le temps
€30.42Price
Vis de fixation cata/decata sûr turbo Clio 4 RS
Vendue à l'unité
€12.55Price
Joint sortie catalyseur Clio 4 RS
Produit destiné aux Clio EURO 6
Véritable produit d'origine
€10.70Price
Écrou de fixation cata/decata sur turbo Clio 4 RS
€3.67Price
Vis de fixation Cata Intermédiaire Clio 2 RS 172
€2.44Price
The exhaust connection gasket provides sealing between the catalytic converter and downpipe of your Renault Twingo RS . It is designed for exhaust system maintenance on sporting Twingo applications.
A worn or reused gasket can result...
€49.27Price
Ensure the perfect hold of your exhaust system with this genuine RENAULT exhaust tip heat shield fixing screw . Specifically designed for the Renault Clio 3 RS , this part guarantees an installation that meets the manufacturer's rigorous standards.
Certified RENAULT Genuine Parts .
Robust...
€4.74Price
Ecrou tole écran de canule Clio 3 RS Phase 2 Vendu à l'unité
€5.95Price
Collier échappement sortie catalyseur Clio 2 RS 182
Véritable produit d'origine.
€10.45Price
En Stock
€5.80
Price
En Stock
€5.80
Price
Goujon collecteur échappement
Vendu à l'unité
€5.80Price
Don't risk damaging your performance car's rear diffuser . This genuine RENAULT exhaust tip heat shield is the essential protective component for your Megane 3 RS . Engineered from high-resistance metal, it ensures heat is safely channeled outward, preserving your bodywork's integrity during intense road or track...
€256.18Price
Don't let your Megane 3 RS rear aesthetic look unfinished with a bland factory outlet. The Akrapovic carbon fiber exhaust tip is the ultimate component to assert the radical character of your Renault Sport . By neglecting this visual detail, you miss out on the technological elegance and unique visual signature...
€516.01Price
Collier echappement V-Band Megane N4
Référence: 7711162464
€74.39Price
Joint sortie turbo entrée catalyseur Clio 4 RS
Véritable produit d'origine
€55.70Price
- New
- New
Do not risk letting your sports car's exhaust system rattle or suffer damage. A corroded, stripped, or missing exhaust mounting bolt at the rubber mount causes harmful mechanical play, unwanted underbody noises, and the risk of cracking the mounting brackets on your second catalytic converter.
This genuine OEM Renault...
€10.49Price
Sur commande ou en cours de réappro
€50.96
Price
Sur commande ou en cours de réappro
€50.96
Price
The Milltek intermediate adapter/reducer for Renault Clio 2 RS is designed to connect different sections of a Milltek exhaust system when a difference in pipe diameter requires an intermediate connection. It provides a suitable transition between the exhaust components for a clean and consistent installation.
Designed for the Renault Clio 2...
€50.96Price
The Renault right exhaust silencer support (metal part) is an original part designed for mounting the exhaust silencer on the Renault Clio 3 RS models. Like its left counterpart, it must be completed with the silent block (sold separately) visible at the bottom of the product page. It helps reduce vibrations and unwanted noises.
€36.91Price
Sur commande ou en cours de réappro
€2,016.00
Price
Sur commande ou en cours de réappro
€2,016.00
Price
