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Everything to do with engine tuning, suspension upgrades and other modifications.

Underground Racing is offering to give second-generation R8s a third pedal, but only for customers buying a twin-turbo conversion

A Gen 2 Audi R8 Manual Conversion Is Here - Tuning
A Gen 2 Audi R8 Manual Conversion Is Here

Someone transplanted the face of a Lancer Evo IX on a 'blobeye' Impreza WRX, and it works surprisingly well

Subaru WRX Given Mitsubishi Evo Face Swap With Surprisingly Agreeable Results - Tuning
Subaru WRX Given Mitsubishi Evo Face Swap With Surprisingly Agreeable Results

Our latest readers' rides feature takes a look at Richard Poole's diesel Accord Tourer, which proves it pays to think outside of the box

This Diesel Honda Accord Wagon Is A Brilliantly Unconventional Track Weapon - Tuning
This Diesel Honda Accord Wagon Is A Brilliantly Unconventional Track Weapon

BBR GTI is offering a pair of supercharger kits for the third-gen MX-5 - one producing 250bhp, and the other up to 300

New 300bhp NC Mazda MX-5 Supercharger Kit Arrives - Tuning
New 300bhp NC Mazda MX-5 Supercharger Kit Arrives

Rich Rebuilds has put the 'Ice-T' Model S on the dyno and revealed just how much weight it's lost

V8 Tesla Model S Is 750kg Lighter Than Stock, Sounds Great On The Dyno - Tuning
V8 Tesla Model S Is 750kg Lighter Than Stock, Sounds Great On The Dyno

As far as triple-threats go, this may just stake a claim for being in its own class in the world of the wonderfully weird

This ‘65 Ford Mustang Has A Hellcat's Face And An E46 M3's Beating Heart - Tuning
This ‘65 Ford Mustang Has A Hellcat's Face And An E46 M3's Beating Heart

Following the grand debut of the V8-swapped 'Ice T' Model S at the SEMA show, Rich Rebuilds has posted a video of the car in motion

Hearing The World's First V8-Swapped Tesla In Action Is Downright Bizarre - Tuning
Hearing The World's First V8-Swapped Tesla In Action Is Downright Bizarre

Ryan Tuerck's Judd V10-engined 'Formula Supra' can now be seen (and more importantly heard) hitting its upper reaches in new dyno footage

Hell Hath No Fury Like This V10 Toyota GR Supra Topping 10,000rpm - Tuning
Hell Hath No Fury Like This V10 Toyota GR Supra Topping 10,000rpm

This bonkers 1,000bhp, lengthened Gallardo shown off at SEMA combines a 2JZ inline-six with the car's original manual transmission

Wild Lamborghini Gallardo Proves No Car Is Safe From A 2JZ Swap - Tuning
Wild Lamborghini Gallardo Proves No Car Is Safe From A 2JZ Swap

Ryan Tuerck's latest drift weapon, based on the new Toyota GR Supra, is finally complete

The Judd V10-Engined 'Formula Supra' Is Finished And Thoroughly Awesome - Tuning
The Judd V10-Engined 'Formula Supra' Is Finished And Thoroughly Awesome

In the latest episode of The Smokin' Tyre's 'One Take' series, we get a closer look at a 500whp V8-swapped BRZ

LS V8-Swapping A Subaru BRZ Is One Way To Solve The Torque Dip - Tuning
LS V8-Swapping A Subaru BRZ Is One Way To Solve The Torque Dip

Look closely and you’ll see this car’s far from a standard BMW 3er, with side-exit exhausts and widebody kit

This Mean E30 BMW 3-Series Is Hiding A Supercharged 1UZ V8 - Tuning
This Mean E30 BMW 3-Series Is Hiding A Supercharged 1UZ V8

As if borrowing an E60 M5's V10 wasn't enough, this E46 also has an E92 M3's dual-clutch gearbox and an F82 M4's carbon fibre prop shaft

An E46 BMW M3 With A DCT-Equipped M5 V10 Is Predictably Brilliant - Tuning
An E46 BMW M3 With A DCT-Equipped M5 V10 Is Predictably Brilliant

AC Schnitzer's treatment for the new M3 involves a big uplift in power and a whole load of functional aero devices

582bhp AC Schnitzer G80 BMW M3 Arrives With 130kg Extra Downforce - Tuning
582bhp AC Schnitzer G80 BMW M3 Arrives With 130kg Extra Downforce

Abt Sportsline is offering a modest but useful bump in potency for VW Group models using the 1.4-litre TSI e hybrid powertrain

Abt Will Boost Your Hybrid Golf/Leon/Octavia/A3 To 272bhp - Tuning
Abt Will Boost Your Hybrid Golf/Leon/Octavia/A3 To 272bhp