Airtec Motorsport
AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G80 M3 and G82 M4
AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G80 M3 and G82 M4
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Shipping and Returns
Shipping and Returns
- With popular products we will always aim to hold stock to ensure rapid delivery times across the UK.
- With less commonly ordered products we rely on drop shipping from our suppliers, this can occasionally result in delays in delivery times.
- Where a product is required urgently please contact us first before placing your order so we can check stock and delivery times to ensure no disappointment.
- Once an order is placed we aim to be in touch within 24 hours with either your delivery details or estimated time of delivery for your products.
- Need to return an item? No problem, get in touch and we can explain the next steps.
Price Match
Price Match
Seen it cheaper elsewhere? Get in touch with where and how much and we'll not only do our best to match it, where possible we aim to beat it!
Product Queries
Product Queries
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Does this fit my car?
Does this fit my car?
This product is compatible with the following models and year ranges:
BMW M3 G80/G81 (2021-)
BMW M4 G82/G83 (2021-)
By replacing the restrictive secondary catalytic converters located in the mid-pipe section directly after the downpipes, back pressure is reduced, which effectively improves the engine’s breathing by allowing it to expel gases more quickly. This in return means faster throttle response, increased power output and a more aggressive exhaust note.
Measuring 3.5” in diameter, this direct replacement mid-pipe offers improved flow over standard and comes complete with a replacement exhaust brace and fitting kit, which will mate to original catalytic converters, aftermarket sports cats or aftermarket de-cats.
Will fit the following models:
• BMW G80 M3 (left and right-hand drive)
• BMW G82 M4 (left and right-hand drive)
Please note:
- Sports cats are sold for motorsport and off road use only and may not pass a UK MOT test or police road side checks.
- An ECU recalibration is required in order to ensure the EML is not illuminated.
Features:
• Direct replacement part to fit both left and right-hand drive
• Removes restrictive secondary catalytic converters and GPF
• Made from high quality stainless-steel
• Smooth bends to ensure increased flow
• Fits standard cats, aftermarket sports cats or aftermarket de-cats
• Comes complete with fitting kit
AIRTEC Part No: ATEXHBMW6
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