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Full/Cat-Back Systems for Audi S3

A full/cat-back system is an exhaust system that improves performance and horsepower, and creates that low, rumbling sound from the engine that so many car enthusiasts strive towards. These parts are generally bought by those who are really passionate about taking their vehicles up to the next level, though they can be used by just about anyone wanting to make improvements to their car.

Usually, a full/cat-back system will replace the factory-fitted muffler and exhaust pipe arrangement. Because the system is fitted after the catalytic converter, it does not have an impact on exhaust gas emissions and it does not alter factory emission output. This is an obvious benefit if you’re looking to make small modifications without giving your vehicle a complete overhaul at this stage. Many people also enjoy the look of full/cat-back systems, making them popular amongst those looking to get their cars up to professional show standard.

If you’re unsure about what exactly you need for your car, refer to your manual for further instructions. Once you know what you’re looking for, browse through the selection available here from LK Performance. You’ll find parts for every make and model imaginable. Why not place your order today? You’ll be on the fast track to a car that even the modification heavyweights would be proud of.

Showing Full/Cat-Back Systems

Armytrix
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£2,741.43

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Milltek
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£505.52

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A full range of finance options are available at checkout. Use our handy calculator to work out which option suits you. We also accept payment via Sagepay, Paypal, Visa, Maestro and Mastercard


6 Months
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£500 - £800
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10 Months
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12 Months
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24 Months
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36 Months
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Only available to UK residents over 18, subject to terms and conditions. Rates of finance offered in this calculator are based on this specific value and can be applied for once items are added to basket and you have completed your order. Please remember to complete your finance application at the end of the checkout process.

0% 6 months option: Total loan amount must exceed £500. This is the interest rate for customers that keep up to date with their payments, this will change if a payment is missed and revert to 18.9%.

0% 10 months option: Total loan amount must exceed £800. This is the interest rate for customers that keep up to date with their payments, this will change if a payment is missed and revert to 18.9%.

14.9% options: Total loan amount must exceed £250.

LK Performance Ltd acts as a credit intermediary and offer credit products provided exclusively by Klarna Bank AB (publ).

Klarna Bank AB (publ) is Authorised by the Swedish Financial Services Authority (Finansinspektionen) and is subject to limited regulation by the Financial Conduct Authority. Details about the extent of our regulation by the Financial Conduct Authority are available from us on request. Finance is only available to permanent UK residents aged >18, subject to status, terms and conditions apply.

Registered office: Sveavägen 46, 111 34 Stockholm, Sweden. Corporation ID number: 556737-0431.