Early tarmac testing footage of a prototype car that would become the Lancia Delta S4 Group B.

Glorious for the fact that there is no music, no narration, nothing, except the pure natural sounds of this supercharged and turbocharged monster being relentlessly flung between the armco.

As part of a program to support local Group N competitors, Subaru Australia via Possum Bourne Motorsport can now supply FIA-homologated competition cars in three different tiers and any combination of six option packs to suit a range of different series requirements.

Official presser.

Underneath one of the two wind tunnels inside Toyota Motorsport's Cologne facility rests a priceless collection of motorsport history.

See also:

• Speedhunters does Toyota Motorsport GmbH
• The infamous Toyota MR2 Group S

Jonathan Moore for Speedhunters takes us inside Toyota's Cologne-based motorsport HQ. A hard-to-access facility positively brimming with ex-WRC, Le Mans, and Formula 1 machinery, not to mention the odd one-of-a-kind prototype or homologation special.

After being granted approval to run their newly-developed RGT 997 GT3, Tuthill Porsche gave it a proper baptism at the recent ADAC Rallye Deutschland.

UK Porsche specialist Tuthill have built, tested and gained approval to rally their RGT-spec 997 GT3 in the WRC.

"It's taken a determined effort by our team to get FIA approval for a modern 911 in current WRC rallying, but we're delighted to have finally accomplished this. Now that the door has been opened, the prospects offered by a Porsche 911 RGT rally car are incredibly exciting and nothing beats live stage rallying, so we just can't wait to try it."

Great news.

A glimpse into the development of Audi's mid-engined answer to the Lancia Delta ECV and Toyota 222D from 1986.

Also known as the Audi Sport Quattro RS 002 or Quattro Sport E2.

via Jalopnik

Dieter Landenberger, Chief of Archive Porsche Museum, profiles the lightly-modified 911 SC that was entered into the 1978 East African Safari Rally.

Motorsport Retro profiles a Toyota-developed Group S rally machine from the '80s:

"Group S was a stillborn class of rallying which was canned alongside Group B in 1986. Originally slanted to replace the outgoing Group B with an exciting power-limiting formula not dissimilar to current WRC, Group S was instead shelved along with Group B, in favor of the considerably less exciting Group A."

Never knew this car existed.