Jetex Back Box (3 bolt flange) to fit Audi 90 (B3) Quattro 20V Type 89 20V 118kW (160hp)/125kW (170hp) (from 1988 to 1991)

£448.67 £403.80

Part Number: 45-B91R
Quick Code: P409230

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Jetex

Jetex Exhausts

With 30 years of exhaust design and development experience, Jetex have gained a reputation for producing exhausts that are well engineered, perform consistently and create a perfect harmony between car and exhaust.

Jetex exhausts are made to reduce back pressure and increase torque and engine performance. Each exhaust is designed specifically for each model to ensure perfect fitting and the right exhaust note.

  • Mild or stainless steel construction
  • Superb build quality and fit
  • Deep exhaust note, but not too loud
  • Easy fitting
  • 12 month warranty on mild steel, lifetime warranty on stainless steel
  • Great prices

Absorption Designed

Sound reduction is a critical design concern with any exhaust system. Standard exhausts use a baffle design where a series of plates slow the exhaust gases, but ultimately this leads to an increase in back pressure. Jetex silencers have no baffles. Instead, noise is reduced by absorption through a centre perforated tube. Consequently, there is less gas flow restriction and so back pressure is reduced, torque is increased and engine performance is enhanced.

Mandrel Bends

It is essential that gas flow from the engine is unrestricted and flows smoothly along the whole length of the exhaust system. All Jetex bends (where possible) are mandrel bent rather than cut and welded. This ensures that the gas exits as quickly as possible, ensuring back pressure reduction and enhanced engine performance.

Tailpipes

All tailpipes are made from polished T304 stainless steel and are designed to complement the styling of each model. Most tailpipes are rolled inwards to create a clean and stylish look

Fitting Kit

A fitting kit is provided with every Jetex system. With each exhaust, you can expect as a minimum a set of clamps to allow the exhaust to be fitted to the car. However, in many cases and where appropriate, stepped adaptors for the OE pipework, rubber mountings and in some cases, extra hangers are also provided.

Tailor made for your car, Jetex Exhaust components need to be fitted in a professional workshop. Most of our fitting centres will be able to offer a fitting service for this product - please contact your local fitting centre to find out more.

Delivery:
Estimated between Wed 3rd - Thu 4th Apr 2024

Deliveries are made Monday to Friday and exclude weekends and public holidays.

We have an order cut-off time of 1PM on the days that we are open. Our estimated delivery date takes this into account.

If it is available, we will provide tracking information by email.


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UK Mainland excludes all islands and postcode areas IV, KW, PH, FK17-21, PA21-78

If you are ordering multiple items your total postage charge will be reduced. Please check your basket for the total cost.

  • Rear Silencer
  • Stainless Steel
  • Tailpipes: Twin Round 80mm
  • Fitting point: Original Pipework
  • Pipe diameter: 70mm
  • EC Approved
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